Merge "PiP: Potentially hide menu immediately after it appears." into rvc-dev am: 4757e892 am: bf196a19 am: 1a2f7cfc

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11710013

Change-Id: I0ed05e2dd56b1f2ba79d27efb8886f8beb22cbde