t0lte: boost audio incall

-speakerphone was being clipped, scale back the index
and increase the overall boost (includes out-of-call audio)
-increase the other incall outputs

Change-Id: I7a9748afd5c9ace41909a02c842bda946687b9b9
Merge branch 'cm-11.0' of github.com:CyanogenMod/android_device_samsung_t0lte into cm-11.0