consolidate audio and display on 8974 common

Change-Id: I1994a3c77f814524ada56588c687adeee2e0d099
move bludroid cfg to common

Change-Id: I8938a0d6d995202e2d9006ca4c65eb4afdbfda51
Merge branch 'cm-12.0' of https://github.com/CyanogenMod/android_device_sony_shinano-common into mkl