Merge "PiP: Do nothing when tapping on resize drag handle." into rvc-dev am:...

Merge "PiP: Do nothing when tapping on resize drag handle." into rvc-dev am: 96a8a298 am: e5ff25df am: 6b13ea41

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11758292

Change-Id: I91a234cad08a3be702c395e5346e01656560d2c3