Merge "Limit the size of NotificationChannel and NotificationChannelGroup" into sc-dev am: 6457ae8d4c am: 45b66cfb9a

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

Change-Id: If19f8570e5bb0f34c48ef48078186f7645e2b072
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>