Merge "Clean divider-remote-animating flag when exit split" into tm-qpr-dev am: 9bb50c30

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19578569



Change-Id: I5606b31aeb2e9f3522dd132f06117473a53bb116
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>