Merge "Sanitize more of the notification text fields" into qt-dev am: e07950e2d8 am: e059ae5659 am: 77bc18485c am: e582a90c19

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12512682

Change-Id: I57bb4cb00a127fc26e58d9bfd2a85c85f7fc85d6