Merge "Notify draw for relaunch with preserved window" into tm-qpr-dev am: e37f841ea4

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21158739

Change-Id: Iba8f5ce109ac73bd10e97a432876492d9c2f4f0c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

core/java/android/view/ViewRootImpl.java

@@ -1114,6 +1114,8 @@ public final class ViewRootImpl implements ViewParent,
         // Update the last resource config in case the resource configuration was changed while
         // activity relaunched.
         updateLastConfigurationFromResources(getConfiguration());
+        // Make sure to report the completion of draw for relaunch with preserved window.
+        reportNextDraw("rebuilt");
     }
 
     private Configuration getConfiguration() {