libeffects: move all libraries to vendor

Bug: 37490685
Test: equalizer works in google play music
Merged-In: I3940c4c946afe67170922c3523c9e8811ac4f220
Change-Id: I3940c4c946afe67170922c3523c9e8811ac4f220
(cherry picked from commit ad5915b62eb5ab3a0ba7af9c556dab6d110909dc)
1 file changed