Merge "Ensure to trigger Activity#onEnterAnimationComplete" into rvc-dev am: b749be45c7 am: ca6e2b7211

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11838100

Change-Id: I8b77531a2afd3639c493c5f7ab01bb9077bc5f2e