Merge "Ensure that only SysUI can override pending intent launch flags" into qt-dev am: c741c6211c am: 41bf4e7cba

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

Change-Id: Iba23d44134c5a1b885a7a9a8b89918d7523624c9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>