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: 6367b480 am: d3d22be5

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

Change-Id: Ie19e146b85510404c705976884b7cf9f0479c9c6