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: ba4d1336 am: 031c6210

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



Change-Id: I835960922fd2ab6d40263c18b3c5d1b396a1acca
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>