Merge "Ignore implicit high priority for 'hide silent notifs on lockscreen'"...

Merge "Ignore implicit high priority for 'hide silent notifs on lockscreen'" into udc-dev am: 72ccb6ee am: d134bece am: c4200b03 am: 3a593e8b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23690408



Change-Id: I6f112bd6671b39b9abee721d9333329b5c78da9e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>