Merge "Do not allow multiple commits of the same rollback." am: 0979c5713c am: 5fcffb5830

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2257562

Change-Id: Ia5ed88623678f799d1b819e1ddbcb1a0006f4645
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

tests/RollbackTest/SampleRollbackApp/src/com/android/sample/rollbackapp/MainActivity.java

@@ -75,6 +75,7 @@ public class MainActivity extends Activity {
                         String rollbackStatus = "FAILED";
                         if (rollbackStatusCode == RollbackManager.STATUS_SUCCESS) {
                             rollbackStatus = "SUCCESS";
+                            mTriggerRollbackButton.setClickable(false);
                         }
                         makeToast("Status for rollback ID " + rollbackId + " is " + rollbackStatus);
                     }}, new IntentFilter(ACTION_NAME), Context.RECEIVER_NOT_EXPORTED);