Remove dependency on audio_* location

Change-Id: I4bc66115fcb9ba22b057bd72db3f561dcb18a0d8
diff --git a/media/libmedia/Android.mk b/media/libmedia/Android.mk
index 5ecc8f5..8b009aa 100644
--- a/media/libmedia/Android.mk
+++ b/media/libmedia/Android.mk
@@ -60,7 +60,7 @@
     $(TOP)/frameworks/native/include/media/openmax \
     external/icu4c/common \
     external/expat/lib \
-    system/media/audio_effects/include \
-    system/media/audio_utils/include
+    $(call include-path-for, audio-effects) \
+    $(call include-path-for, audio-utils)
 
 include $(BUILD_SHARED_LIBRARY)