Revert "Allow custom notification sounds to be assigned to individual contacts (part1)"

This reverts commit 577cc2cfd6b937f7f5eedce70327c196618b1239.
Merge Derp

Change-Id: Ic2949b5cccb570870a98a9deb7e249f1a64b2c07
Audio Service : merge derp

Change-Id: I9ca1893765778b2efdae9fdad9ed74a0150effc2