[automerger skipped] Merge "Add the explicitly mutable flag for creating a PendingIntent in MediaOutputSlice" into rvc-qpr-dev am: d0822216 am: cd4df5a1 -s ours am: a7972632 -s ours

am skip reason: Change-Id Ic37b37bdbe6de6bdbad741985d3a920334240d80 with SHA-1 40d4e47b is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/13241059

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I0c6bf103278719e5cef7ac01c7f31f1fb0644164