Merge "Don't crash if subscription list is missing" am: 5a6b5fc5 am: 617d94b7 am: 31736880

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2129638



Change-Id: If6011a29752a2ed11a403ef79530ecd8e6b5a12f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>