Fix inverted logic for MusicFX inclusion

Change-Id: Ie604c843dbf153fe2e3b28394da399f21bc71c5c
Merge branch 'kk' of https://github.com/CarbonDev/android_vendor_carbon into kk
Revert "Fix inverted logic for MusicFX inclusion"

This reverts commit 555f8460a679fc1f6e08585381b88810588909d2.

Change-Id: Ie6529c1c11b31a09036c5a7592fddb844edbca47
Merge branch 'kk' of https://github.com/CarbonDev/android_vendor_carbon into kk