[automerger skipped] DO NOT MERGE Add cross-user check for getDefaultSmsPackage(). am: 0abccabffe am: bd70751b40 -s ours am: 64e7a7258b -s ours am: 5861d3d385 -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14987346

Change-Id: Ia570a0ef920989deabfb49104182cf7f526f1ae4