[automerger skipped] Merge "[DO NOT MERGE] Make PendingIntents in screenshots immutable" into rvc-qpr-dev am: 1672873e am: 14dc2300 -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/13950909

Change-Id: I80dc818d2f10b131765b62376d57154fcfdbdc8c