Increase in call volume

*  The in-call volume is rather too low. This is applicable for across all CM based Roms.
   A little boost will go a long way to correct this. Credit XDA user kaos420.

Change-Id: Ia264b49594f4e553828c3a13d25874c840d2b337
d2: fix VOIP

Change-Id: I4cac05a4c43ab2011d96aa15de876e2dba75dacf
Merge "d2: fix VOIP" into cm-11.0
Merge "Increase in call volume" into cm-11.0
camera: enable exposure hack

Change-Id: I86d5e430a87da8b0649e193dbcabe659b01cdc42
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_device_samsung_d2lte into kitkat