Merge "Use async callback for unfold overlay synchronization" into tm-dev am:...

Merge "Use async callback for unfold overlay synchronization" into tm-dev am: 39f02b6f am: f343ca2c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17540005



Change-Id: I5d05211748afb3c4e82e317eb0664a6b9067c289
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>