Merge "Let default transition handler animate customized animation" into...

Merge "Let default transition handler animate customized animation" into udc-dev am: bfd84899 am: 75d53169 am: 0439a98b am: af0df6ac

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



Change-Id: If5ecc7ac7b0fe8fa7cf020fb3b19e031e39c9943
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>