Merge "avdt_l2c: Use early return patterns in callback functions" into main am: 1ccbb4f8

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/3247460



Change-Id: Ic9c4f9250392a2122dee95f10f94ae246d4254da
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>