[automerger skipped] Merge "[DO NOT MERGE] Make GlobalScreenshot PendingIntents immutable" into qt-dev am: b968a16db7 am: 2a84aae3ce -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12773073

Change-Id: I9ac009fa394162304744b7582b400a366e71e956