leaudio: Fix yet another alarm cancel missing. am: fcfc0e72

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/21131404



Change-Id: I760a69d033bb8a0c9388e424e68be8e1b0529908
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>