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

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

Change-Id: Idfd4de223a64d7b8008e2dd09a903f58169c0c44
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>