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

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



Change-Id: I4257078765c3f1aac16a2379b01f8256d6a8c52c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>