Merge "Add transient notification views of group children to the child...

Merge "Add transient notification views of group children to the child container, not directly to the row." into tm-qpr-dev am: e07cc86b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21534724



Change-Id: Ia1f49becfa420f5afcf35c0539581cd62c7b856d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>