Disable Hearing Aid Profile for all platforms except Pixels

Add code to selectively disable Hearing Aid Profile depending on the
config.xml file.
Note: Cherry-picked from internal branch.

Bug: 78142728
Test: Manual Pairing on various Pixel phones
Change-Id: I8094f1a1665647b026eb9601e032fb7fbb816ec6
(cherry picked from commit a21efa58369b304e5ea818a3f8b1577f1fed3d02)
2 files changed