Merge "Let default transition handler animate customized animation" into udc-dev am: bfd84899

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23563396



Change-Id: Ia05c23b586ed7c53375009f1001ca9afd74af4a7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>