Merge "Launch to fullscreen when re-open from lockscreen and in PiP" into rvc-dev am: c99594ee88 am: 46750d6aa3 am: c3b05a8a96 am: b1e0862864

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

Change-Id: If0ee71fc8782f971e3db7112b1f0e70bc63b4a45