[automerger skipped] Merge "[DO NOT MERGE] Make screenshot error notification PendingIntent immutable" into rvc-dev am: 9c62f074 am: da871076 -s ours am: d93c628d -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/13519315

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ifbd33d834edfe18a5ccd4ad9a1eadbce9cb12d91