Clean up unused param warnings unit tests am: 8744728c am: 1384d7c9 am:...

Clean up unused param warnings unit tests am: 8744728c am: 1384d7c9 am: 2343dcdf am: 86cf4bfe

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2769045



Change-Id: Ic5cd0c5cf8a45de61f1d38079431a12887db6b67
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>