[automerger skipped] Unique display name util uses available, rather than...

[automerger skipped] Unique display name util uses available, rather than active, subscriptions. am: 9e949b19 -s ours

am skip reason: Change-Id Ief035cf3de3ac03fe348095f36bfb78a41f93d2c with SHA-1 c14e3b31 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/13472808

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I59c0d6277310804d6194f3289c3b447d3cf2e83f