Merge "Add a Visual Indicator for fullscreen to freeform transitions" into...

Merge "Add a Visual Indicator for fullscreen to freeform transitions" into udc-dev am: 164d3ac9 am: 6d2cafe3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22240240



Change-Id: I12fb1a1ad39c20f64b5b646ce2d90fe47953a886
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>