Merge "LeAudioService: Clear lead device when removed from the group" am:...

Merge "LeAudioService: Clear lead device when removed from the group" am: b2542ab9 am: 3f149f46 am: fb8f82f5

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2191795



Change-Id: I0b8c1d0dfd97b043b630b4b88f7fccdf543e27c2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>