Merge "Fix divider bar not shown when entering split with rotation transition"...

Merge "Fix divider bar not shown when entering split with rotation transition" into tm-dev am: 01eda663 am: 1ab1d7b8 am: 5f67ca31 am: a8d217c2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18247768



Change-Id: I8e3020f5bec7299d9f432e56fc8cdfc8e1cc9bef
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>