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: b4b0fcfc am: 7c79bde2 am: 8d08ccae

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



Change-Id: Ia4c26158d922240b1a005e7e491f88b15bcf2f4c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>