[3/3] AudioEffect: Add a stereo widener effect

Change-Id: Iab2035c5601394b060e7e77e85ad85aca6e4c89f
[3/3] AudioFX: Add center frequency param to bassboost

Change-Id: I49da8e5ab24502d0de5c09b7fc9f4b8a51bead60
Add Carbon QS Tile 1/2
Change-Id: I586f28704138b89f39d11081ddc718c97ce8923f

Thanks CarbonRom = https://github.com/CarbonDev/android_frameworks_base/commit/27a3bfcfc2c1b726fb3e89ebc8a3e6f03d3f3c89