[automerger skipped] Merge "[DO NOT MERGE] Make GlobalScreenshot...

[automerger skipped] Merge "[DO NOT MERGE] Make GlobalScreenshot PendingIntents immutable" into qt-dev am: b968a16d am: 2a84aae3 -s ours am: 4e7a7d3c am: a26090c1 am: 7a45c448

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

Change-Id: Ic21e0328f12e9fee636d9c9a4d4d07ce644ee3ff