Merge "PiP: Do nothing when tapping on resize drag handle." into rvc-dev am: 96a8a298 am: 6ff7cdca am: cbe0eebe

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

Change-Id: I8be580548b0217f36bc5f9fef39a2e5ecb93c2e2