Merge "Sanitize more of the notification text fields" into qt-qpr1-dev am: 3830f121 am: c6ee95fd am: 19ba4a28 am: 67cc68d5

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12512484

Change-Id: Ic76f3c6e7a05223aea1f4d016aa06005c781a25a