Merge "Sanitize more of the notification text fields" into pi-dev am: c0ec138c47 am: 06adb3f55c am: 7e4fa5e87d am: b6380403ea

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12512485

Change-Id: Ifc096a4963b22bfc77102024001980204ca82903