Disable absolute volume control for AirPods 2

Volume of AirPods 2 start out extremely loud when absolute volume
enabled. Interim response from remote show normal when register volume
changed notification. Disable absolute volume control for AirPods 2 to
avoid volume start out extremely loud.

Bug: 129602489
Test: Play music with AirPods 2
Merged-In: I555576be1929a42ae8e01f661572a89d1993dee9
Change-Id: I555576be1929a42ae8e01f661572a89d1993dee9