Merge "Merge "Limit the size of NotificationChannel and...

Merge "Merge "Limit the size of NotificationChannel and NotificationChannelGroup" into sc-dev am: 6457ae8d am: d9e939ee am: a3428220 am: 08668348 am: 70692591" into tm-qpr-dev-plus-aosp am: f6028fd3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19697196



Change-Id: Id102a4890572a93f4d4819395c461be5935db779
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>