Merge "Start edge extension animations in sync" into tm-dev am: 7ecba896 am:...

Merge "Start edge extension animations in sync" into tm-dev am: 7ecba896 am: 288efbce am: c3cc63ae am: df4da372

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18176062



Change-Id: I3248d83fa9f7a4065188b33e53eef801a86d1ea5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>