consolidate audio and display on 8974 common

Change-Id: I1994a3c77f814524ada56588c687adeee2e0d099
move bludroid cfg to common

Change-Id: I8938a0d6d995202e2d9006ca4c65eb4afdbfda51
Merge remote-tracking branch 'cm/cm-12.0' into lollipop