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

Merge "Merge "Limit the size of NotificationChannel and NotificationChannelGroup" into sc-dev am: 6457ae8d am: 45b66cfb am: ce04557e am: 72299117 am: feca9b2d" into tm-d1-dev-plus-aosp am: 52a45c74 am: 0fd3f36a

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



Change-Id: I5b2ec9965d7b5adc292ed3f4ce05650462278b71
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>