Merge "Added list instance removal in GattInstance#disconnect()" am:...

Merge "Added list instance removal in GattInstance#disconnect()" am: 6060d667 am: fd5c9ea1 am: c72aa35e am: 8cb7b969

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2170511



Change-Id: I1446a7d42528b95bd5b19c297e86d4611ea4f1b1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>