Merge changes from topic "b169435530-ExtrasOverriden" into udc-dev

* changes:
  Modifies Notifcn.build to retain provided extras
  Adds BUILDER_EXTRAS_OVERRIDE flag

core/java/android/app/Notification.java

@@ -5006,12 +5006,6 @@ public class Notification implements Parcelable
             return mUserExtras;
         }
 
-        private Bundle getAllExtras() {
-            final Bundle saveExtras = (Bundle) mUserExtras.clone();
-            saveExtras.putAll(mN.extras);
-            return saveExtras;
-        }
-
         /**
          * Add an action to this notification. Actions are typically displayed by
          * the system as a button adjacent to the notification content.
@@ -6617,9 +6611,16 @@ public class Notification implements Parcelable
                                 + " vs bubble: " + mN.mBubbleMetadata.getShortcutId());
             }
 
-            // first, add any extras from the calling code
+            // Adds any new extras provided by the user.
             if (mUserExtras != null) {
-                mN.extras = getAllExtras();
+                final Bundle saveExtras = (Bundle) mUserExtras.clone();
+                if (SystemProperties.getBoolean(
+                        "persist.sysui.notification.builder_extras_override", false)) {
+                    mN.extras.putAll(saveExtras);
+                } else {
+                    saveExtras.putAll(mN.extras);
+                    mN.extras = saveExtras;
+                }
             }
 
             mN.creationTime = System.currentTimeMillis();

core/tests/coretests/src/android/app/NotificationTest.java

@@ -33,6 +33,8 @@ import static android.app.Notification.EXTRA_MESSAGING_PERSON;
 import static android.app.Notification.EXTRA_PEOPLE_LIST;
 import static android.app.Notification.EXTRA_PICTURE;
 import static android.app.Notification.EXTRA_PICTURE_ICON;
+import static android.app.Notification.EXTRA_SUMMARY_TEXT;
+import static android.app.Notification.EXTRA_TITLE;
 import static android.app.Notification.MessagingStyle.Message.KEY_DATA_URI;
 import static android.app.Notification.MessagingStyle.Message.KEY_SENDER_PERSON;
 import static android.app.Notification.MessagingStyle.Message.KEY_TEXT;
@@ -76,6 +78,7 @@ import android.os.Build;
 import android.os.Bundle;
 import android.os.Parcel;
 import android.os.Parcelable;
+import android.os.SystemProperties;
 import android.text.Spannable;
 import android.text.SpannableString;
 import android.text.SpannableStringBuilder;
@@ -111,6 +114,9 @@ public class NotificationTest {
     @Before
     public void setUp() {
         mContext = InstrumentationRegistry.getContext();
+        // TODO(b/169435530): remove this flag set once resolved.
+        SystemProperties.set("persist.sysui.notification.builder_extras_override",
+                Boolean.toString(false));
     }
 
     @Test
@@ -1481,6 +1487,107 @@ public class NotificationTest {
         Assert.assertEquals(actionWithFreeformRemoteInput, remoteInputActionPair.second);
     }
 
+    // Ensures that extras in a Notification Builder can be updated.
+    @Test
+    public void testExtras_cachedExtrasOverwrittenByUserProvided() {
+        // Sets the flag to new state.
+        // TODO(b/169435530): remove this set value once resolved.
+        SystemProperties.set("persist.sysui.notification.builder_extras_override",
+                Boolean.toString(true));
+        Bundle extras = new Bundle();
+        extras.putCharSequence(EXTRA_TITLE, "test title");
+        extras.putCharSequence(EXTRA_SUMMARY_TEXT, "summary text");
+
+        Notification.Builder builder = new Notification.Builder(mContext, "test id")
+                .addExtras(extras);
+
+        Notification notification = builder.build();
+        assertThat(notification.extras.getCharSequence(EXTRA_TITLE).toString()).isEqualTo(
+                "test title");
+        assertThat(notification.extras.getCharSequence(EXTRA_SUMMARY_TEXT).toString()).isEqualTo(
+                "summary text");
+
+        extras.putCharSequence(EXTRA_TITLE, "new title");
+        builder.addExtras(extras);
+        notification = builder.build();
+        assertThat(notification.extras.getCharSequence(EXTRA_TITLE).toString()).isEqualTo(
+                "new title");
+        assertThat(notification.extras.getCharSequence(EXTRA_SUMMARY_TEXT).toString()).isEqualTo(
+                "summary text");
+    }
+
+    // Ensures that extras in a Notification Builder can be updated by an extender.
+    @Test
+    public void testExtras_cachedExtrasOverwrittenByExtender() {
+        // Sets the flag to new state.
+        // TODO(b/169435530): remove this set value once resolved.
+        SystemProperties.set("persist.sysui.notification.builder_extras_override",
+                Boolean.toString(true));
+        Notification.CarExtender extender = new Notification.CarExtender().setColor(1234);
+
+        Notification notification = new Notification.Builder(mContext, "test id")
+                .extend(extender).build();
+
+        extender.setColor(5678);
+
+        Notification.Builder.recoverBuilder(mContext, notification).extend(extender).build();
+
+        Notification.CarExtender recoveredExtender = new Notification.CarExtender(notification);
+        assertThat(recoveredExtender.getColor()).isEqualTo(5678);
+    }
+
+    // Validates pre-flag flip behavior, that extras in a Notification Builder cannot be updated.
+    // TODO(b/169435530): remove this test once resolved.
+    @Test
+    public void testExtras_cachedExtrasOverwrittenByUserProvidedOld() {
+        // Sets the flag to old state.
+        SystemProperties.set("persist.sysui.notification.builder_extras_override",
+                Boolean.toString(false));
+
+        Bundle extras = new Bundle();
+        extras.putCharSequence(EXTRA_TITLE, "test title");
+        extras.putCharSequence(EXTRA_SUMMARY_TEXT, "summary text");
+
+        Notification.Builder builder = new Notification.Builder(mContext, "test id")
+                .addExtras(extras);
+
+        Notification notification = builder.build();
+        assertThat(notification.extras.getCharSequence(EXTRA_TITLE).toString()).isEqualTo(
+                "test title");
+        assertThat(notification.extras.getCharSequence(EXTRA_SUMMARY_TEXT).toString()).isEqualTo(
+                "summary text");
+
+        extras.putCharSequence(EXTRA_TITLE, "new title");
+        builder.addExtras(extras);
+        notification = builder.build();
+        assertThat(notification.extras.getCharSequence(EXTRA_TITLE).toString()).isEqualTo(
+                "test title");
+        assertThat(notification.extras.getCharSequence(EXTRA_SUMMARY_TEXT).toString()).isEqualTo(
+                "summary text");
+    }
+
+    // Validates pre-flag flip behavior, that extras in a Notification Builder cannot be updated
+    // by an extender.
+    // TODO(b/169435530): remove this test once resolved.
+    @Test
+    public void testExtras_cachedExtrasOverwrittenByExtenderOld() {
+        // Sets the flag to old state.
+        SystemProperties.set("persist.sysui.notification.builder_extras_override",
+                Boolean.toString(false));
+
+        Notification.CarExtender extender = new Notification.CarExtender().setColor(1234);
+
+        Notification notification = new Notification.Builder(mContext, "test id")
+                .extend(extender).build();
+
+        extender.setColor(5678);
+
+        Notification.Builder.recoverBuilder(mContext, notification).extend(extender).build();
+
+        Notification.CarExtender recoveredExtender = new Notification.CarExtender(notification);
+        assertThat(recoveredExtender.getColor()).isEqualTo(1234);
+    }
+
     private void assertValid(Notification.Colors c) {
         // Assert that all colors are populated
         assertThat(c.getBackgroundColor()).isNotEqualTo(Notification.COLOR_INVALID);

packages/SystemUI/src/com/android/systemui/flags/Flags.kt

@@ -104,6 +104,16 @@ object Flags {
     val SENSITIVE_REVEAL_ANIM =
         unreleasedFlag(268005230, "sensitive_reveal_anim", teamfood = true)
 
+    // TODO(b/280783617): Tracking Bug
+    @Keep
+    @JvmField
+    val BUILDER_EXTRAS_OVERRIDE =
+            sysPropBooleanFlag(
+                    128,
+                    "persist.sysui.notification.builder_extras_override",
+                    default = false
+            )
+
     // 200 - keyguard/lockscreen
     // ** Flag retired **
     // public static final BooleanFlag KEYGUARD_LAYOUT =