Merge "Ensure that only SysUI can override pending intent launch flags" into...

Merge "Ensure that only SysUI can override pending intent launch flags" into qt-dev am: c741c621 am: 41bf4e7c am: 7adf19f3 am: 99f48340

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20219552



Change-Id: I3cc2d55b1c46fed330c570faaf526b3a69e1fd45
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>