[automerger skipped] Merge "Add FLAG_IMMUTABLE to PendingIntent in...

[automerger skipped] Merge "Add FLAG_IMMUTABLE to PendingIntent in LegacyModeSmsHandler." into pi-dev am: 44b02956 am: 06572a08 am: 5625595e am: 0642423c am: 30d5474b am: e178da49 am: 44b61e5d am: a944ef42 am: 0ed75712 -s ours

am skip reason: Merged-In I1024353434674f8e4bf164c3a6c1e16924dfaa8f with SHA-1 54dc4e87 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Dialer/+/16199731

Change-Id: I17cf1ee15675531a5ed787c94bf34f3f96e1641b