Merge "Update D2D logic in line with new opt-out rules" into sc-dev

core/java/android/app/backup/BackupAgent.java

@@ -564,10 +564,6 @@ public abstract class BackupAgent extends ContextWrapper {
     @VisibleForTesting
     public IncludeExcludeRules getIncludeExcludeRules(FullBackup.BackupScheme backupScheme)
             throws IOException, XmlPullParserException {
-        if (isDeviceToDeviceMigration()) {
-            return IncludeExcludeRules.emptyRules();
-        }
-
         Map<String, Set<PathWithRequiredFlags>> manifestIncludeMap;
         ArraySet<PathWithRequiredFlags> manifestExcludeSet;
 

core/java/android/app/backup/FullBackup.java

@@ -20,11 +20,15 @@ import static android.app.backup.BackupManager.OperationType;
 
 import android.annotation.Nullable;
 import android.annotation.StringDef;
+import android.app.compat.CompatChanges;
+import android.compat.annotation.ChangeId;
+import android.compat.annotation.EnabledSince;
 import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.res.XmlResourceParser;
+import android.os.Build;
 import android.os.ParcelFileDescriptor;
 import android.os.Process;
 import android.os.storage.StorageManager;
@@ -96,6 +100,14 @@ public class FullBackup {
     public static final String FLAG_REQUIRED_FAKE_CLIENT_SIDE_ENCRYPTION =
             "fakeClientSideEncryption";
 
+    /**
+     * When  this change is enabled, include / exclude rules specified via
+     * {@code android:fullBackupContent} are ignored during D2D transfers.
+     */
+    @ChangeId
+    @EnabledSince(targetSdkVersion = Build.VERSION_CODES.S)
+    private static final long IGNORE_FULL_BACKUP_CONTENT_IN_D2D = 180523564L;
+
     @StringDef({
         ConfigSection.CLOUD_BACKUP,
         ConfigSection.DEVICE_TRANSFER
@@ -527,7 +539,10 @@ public class FullBackup {
                 }
             }
 
-            // TODO(b/180523564): Ignore the old config for apps targeting Android S+ during D2D.
+            if (operationType == OperationType.MIGRATION
+                    && CompatChanges.isChangeEnabled(IGNORE_FULL_BACKUP_CONTENT_IN_D2D)) {
+                return;
+            }
 
             if (mFullBackupContent != 0) {
                 // Fall back to the old config.

core/tests/coretests/src/android/app/backup/BackupAgentTest.java

@@ -56,14 +56,6 @@ public class BackupAgentTest {
         MockitoAnnotations.initMocks(this);
     }
 
-    @Test
-    public void testGetIncludeExcludeRules_isMigration_returnsEmptyRules()  throws Exception {
-        mBackupAgent = getAgentForOperationType(OperationType.MIGRATION);
-
-        IncludeExcludeRules rules = mBackupAgent.getIncludeExcludeRules(mBackupScheme);
-        assertThat(rules).isEqualTo(IncludeExcludeRules.emptyRules());
-    }
-
     @Test
     public void testGetIncludeExcludeRules_isNotMigration_returnsRules() throws Exception {
         PathWithRequiredFlags path = new PathWithRequiredFlags("path", /* requiredFlags */ 0);

packages/LocalTransport/src/com/android/localtransport/LocalTransport.java

@@ -162,6 +162,9 @@ public class LocalTransport extends BackupTransport {
         if (mParameters.isFakeEncryptionFlag()) {
             flags |= BackupAgent.FLAG_FAKE_CLIENT_SIDE_ENCRYPTION_ENABLED;
         }
+        if (mParameters.isDeviceTransfer()) {
+            flags |= BackupAgent.FLAG_DEVICE_TO_DEVICE_TRANSFER;
+        }
         return flags;
     }