Merge "Use ArrayMap to cache active subscriptions" into main am: 29ee574493 am: 565161fb1a am: 47f8568209

Original change: https://android-review.googlesource.com/c/platform/packages/apps/Settings/+/2704973

Change-Id: I32983b0b8ef21c1630b475ec02bd65c8166699b0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>