libeffects: move all libraries to vendor

Bug: 37490685
Test: equalizer works in google play music
Test: CleanSpec works
Change-Id: I323f4048bce8a512d8aaa1760aef9d176a282c2d
diff --git a/media/libeffects/proxy/Android.mk b/media/libeffects/proxy/Android.mk
index 0acf1c0..c4de30d 100644
--- a/media/libeffects/proxy/Android.mk
+++ b/media/libeffects/proxy/Android.mk
@@ -18,7 +18,7 @@
 LOCAL_MODULE_RELATIVE_PATH := soundfx
 LOCAL_MODULE_TAGS := optional
 
-
+LOCAL_VENDOR_MODULE := true
 LOCAL_SRC_FILES := \
         EffectProxy.cpp