am c158bf7b: Tune BT EDR parameters and set SG_PROTECTIVE mode

Merge commit 'c158bf7bad39d39f8119d626611ac7a9a94dd238' into eclair-plus-aosp

* commit 'c158bf7bad39d39f8119d626611ac7a9a94dd238':
  Tune BT EDR parameters and set SG_PROTECTIVE mode