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

Merge "Sanitize more of the notification text fields" into rvc-dev am: ceb7aefd am: 1ed53ed9 am: 089f82de

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12512483

Change-Id: I42bada5cf24216465486fe8b4a3c97c5f6c2edae