Revert "Revert "vendor/pa: eXtremeBeats Studio 2.0 Audio Mod""

This reverts commit 2abb43915142f61b9a91a900e6462e8ef360bece.
Revert "Revert "vendor/pa: remove eXtremeBeats 2.0 version of libaudioeffect_jni""

This reverts commit b04fbcd2eaf6a7dd013d7643de5f2553b48d7694.