Merge "Stabilize overview/quick-switch transitions" into udc-dev am: 294c7e84

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21498852



Change-Id: I03163d447897b250b4b55dd67d346e69f0ae8207
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>