Revert "Increase media volume levels"

this change has as result unespected volume rocker behaviours.


This reverts commit c2946226a379e016d4b324d5b85ebb652661f09c

Change-Id: I0c209cacbae298dfbe5f043e70fa68af634c0495
Merge "Revert "Increase media volume levels"" into jb4.2