Merge "Sanitize more of the notification text fields" into qt-dev am: e07950e2d8 am: e059ae5659 am: 77bc18485c am: a2ec44b2a9 am: b3b2e3b3fd

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

Change-Id: Ifb469b6b743d5e4404b85f557d917abd527fa7c9