[automerger skipped] Merge "DO NOT MERGE Add cross-user check for getDefaultSmsPackage()." into rvc-dev am: 6eb12245 am: 84d09ab4 -s ours am: ee82ff1f -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14987465

Change-Id: Ib77e3521626ad75495517ef367007c2784ec9145