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

[automerger skipped] Merge "[DO NOT MERGE] Make GlobalScreenshot PendingIntents immutable" into oc-dev am: d15b2f5b am: 0d82d9ff am: a4fbde56 -s ours am: b1b23547 -s ours am: 29802fb3 am: 378d3ae5 -s ours

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Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12773217

Change-Id: Ib64d353455f4a70a88b5fa90cec66cc021d6ea8a