Merge "Add a null pointer check for getSubscriptionsInGroup" into main am: 99fa55cbd3 am: 12d2dfbddb

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2712254

Change-Id: If9e46488d9313dc787bddc2849d3feea1be4db9a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>