[automerger skipped] Don't crash if subscription list is missing am:...

[automerger skipped] Don't crash if subscription list is missing am: ba656924 -s ours am: 924f00a5 -s ours

am skip reason: Merged-In I4c1729ada2f3ad13e9559739dc1daa35a902c7d6 with SHA-1 13e95eda is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/21429877



Change-Id: If1545119743455a66c7358f53c39e8587207ef9a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>