[automerger skipped] Allow alertOverride if the summary GROUP_ALERT_ALL am: bdd4019a16 -s ours am: 748ea85cd7 -s ours

am skip reason: Merged-In I63a51cc1d94fc8a8617ca76a0fa479e3829816c6 with SHA-1 99b1011efd is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17061642

Change-Id: I3228e245872775dd466bc803a09e21b396708339