Merge "avatar: Implement additional helpers in signaling channel helper class"...

Merge "avatar: Implement additional helpers in signaling channel helper class" into main am: 5e4fd616

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/3464972



Change-Id: Ib5128aabb0fd2c383bed3e631deecce676b7f596
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>