[automerger skipped] Merge "[DO NOT MERGE] Make GlobalScreenshot PendingIntents immutable" into oc-mr1-dev am: 09b6ab6bdf -s ours am: 6a3d33dfcf -s ours am: 523686c52b am: d57c2cec33 -s ours am: 9f188f3867 am: 2df3d9fb22 am: 0feebb8473 am: 6f0c6390b3 -s ours

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Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12773216

Change-Id: I5a222ae937b75bd18092a45feb1d26285e85d344