Merge "Sanitize more of the notification text fields" into pi-dev am:...

Merge "Sanitize more of the notification text fields" into pi-dev am: c0ec138c am: 06adb3f5 am: 7e4fa5e8 am: b6380403 am: 34dc3a66 am: 33b7db96

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

Change-Id: I3bf55630d3643528f85a85cf65a7fc2c5a1f38c6