i9500: additional debugging
i9500: call to set RIL audio output path
i9500: disable AMR WB support
i9500: set in call devices and modes
i9500: remove redundant volume settings

* These are specified by default
i9500: set up call mixer paths correctly
i9500: add VEQ switch
i9500: route only to headphones if voice call and headphones are in
i9500: unconditionally do parameter routing in call
i9500: reset audio state post-call