[automerger skipped] Merge "[DO NOT MERGE] Make GlobalScreenshot PendingIntents immutable" into qt-dev am: b968a16db7 am: 2a84aae3ce -s ours am: 4e7a7d3cd3 am: a26090c1ae am: 994c010256 am: ddd49dce06 -s ours

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

Change-Id: I13c5ea33df5c9fff70b3f435303233a04e6692a0