[automerger skipped] Merge "DO NOT MERGE Add cross-user check for getDefaultSmsPackage()." into rvc-dev am: 6eb12245 am: 98c35c47 -s ours am: 53aa2d5b -s ours am: acb2581c -s ours

am skip reason: subject contains skip directive

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

Change-Id: I29621abe75f44f1a898f8d544a8ad05716b98fe8