Merge "Launch to fullscreen when re-open from lockscreen and in PiP" into rvc-dev am: c99594ee88 am: 4212e337d7 am: f0274aac6c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12047260

Change-Id: I36aaaf5182e193d291b42f6a40a9df0eb7fbb310