hammerhead: Change Voice Volume/Mute control default values
hammerhead: Change Voice Volume/Mute control default values

Volume and Mute controls changed to soft volume control in kernel side.
This controls need three input factors.
first factor: Value
second facotr: Session ID
third factor: Ramp duration

Change-Id: I686d8495293242097817d870477f59ed154a6b31
Signed-off-by: Sungmin Choi <e608684d77791b6ae7d18711d2f062c89a239110@lge.com>
Signed-off-by: sangwoo <55ff2da1e49d81e15ac269f4fff5057e470dde89@lge.com>

maruos/android_device_lge_hammerhead,maruos/android_device_lge_hammerhead,maruos/android_device_lge_hammerhead,maruos/android_device_lge_hammerhead