Set title for privacy dialog

a11y services will try to guess the title of a window if it's empty,
usually assigning the title of the first element. As we don't want that,
we explicitly give it a title. This is not visible in UI, and only
available when using a11y descriptions.

Test: manual
Test: atest PrivacyDialogTest
Fixes: 208954254
Change-Id: Ic2042028bed58e369456442e6f6de0965163bee2

packages/SystemUI/res/values/strings.xml

@@ -1994,7 +1994,8 @@
          app for debugging. Will not be seen by users. [CHAR LIMIT=20] -->
     <string name="heap_dump_tile_name">Dump SysUI Heap</string>
 
-    <!-- Content description for ongoing privacy chip. Use with a single app [CHAR LIMIT=NONE]-->
+    <!-- Title for the privacy indicators dialog, only appears as part of a11y descriptions [CHAR LIMIT=NONE] -->
+    <string name="ongoing_privacy_dialog_a11y_title">In use</string>
 
     <!-- Content description for ongoing privacy chip. Use with multiple apps [CHAR LIMIT=NONE]-->
     <string name="ongoing_privacy_chip_content_multiple_apps">Applications are using your <xliff:g id="types_list" example="camera, location">%s</xliff:g>.</string>

packages/SystemUI/src/com/android/systemui/privacy/PrivacyDialog.kt

@@ -67,7 +67,7 @@ class PrivacyDialog(
             attributes.receiveInsetsIgnoringZOrder = true
             setGravity(Gravity.TOP or Gravity.CENTER_HORIZONTAL)
         }
-
+        setTitle(R.string.ongoing_privacy_dialog_a11y_title)
         setContentView(R.layout.privacy_dialog)
         rootView = requireViewById<ViewGroup>(R.id.root)
 

packages/SystemUI/tests/src/com/android/systemui/privacy/PrivacyDialogTest.kt

@@ -35,6 +35,7 @@ import org.mockito.Mockito.never
 import org.mockito.Mockito.verify
 import org.mockito.MockitoAnnotations
 import android.content.Intent
+import android.text.TextUtils
 
 @SmallTest
 @RunWith(AndroidTestingRunner::class)
@@ -373,4 +374,31 @@ class PrivacyDialogTest : SysuiTestCase() {
                 )
         )
     }
+
+    @Test
+    fun testDialogHasTitle() {
+        // Dialog must have a non-empty title for a11y purposes.
+
+        val list = listOf(
+            PrivacyDialog.PrivacyElement(
+                PrivacyType.TYPE_MICROPHONE,
+                TEST_PACKAGE_NAME,
+                TEST_USER_ID,
+                "App",
+                null,
+                null,
+                null,
+                0L,
+                false,
+                false,
+                false,
+                TEST_PERM_GROUP,
+                null
+            )
+        )
+        dialog = PrivacyDialog(context, list, starter)
+        dialog.show()
+
+        assertThat(TextUtils.isEmpty(dialog.window?.attributes?.title)).isFalse()
+    }
 }