[automerger skipped] Merge "[DO NOT MERGE] Make GlobalScreenshot PendingIntents immutable" into oc-dev am: d15b2f5bce am: 0d82d9ffc9 am: a4fbde5687 -s ours am: b1b2354740 -s ours am: 29802fb39f am: 378d3ae57d -s ours am: 8254a62829 am: baf4c15026 am: aa8904e175 am: 7306373e49 -s ours

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

Change-Id: I0eb65f9c7c8eca36cd54f89a5e79833b6cfc11a2