Merge "Transition the conversation title from the hybrid notification" into sc-dev am: 4a3d8307 am: 88524f64 am: b9dfab52

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14664699

Change-Id: Ie6f9531439aa58e2d239c6d9cb4257feb9b382d4