fifo: add dependency needed after re-implementation of MonoPipe

MonoPipe is being re-implemented on top of FIFO in audio_utils.

Test: builds OK
Change-Id: I42a30c5cc859150c3b9e2b23aad3c9c14c7c341a
diff --git a/modules/audio_remote_submix/Android.mk b/modules/audio_remote_submix/Android.mk
index 90da396..d0c8ffc 100644
--- a/modules/audio_remote_submix/Android.mk
+++ b/modules/audio_remote_submix/Android.mk
@@ -22,7 +22,8 @@
 	audio_hw.cpp
 LOCAL_C_INCLUDES += \
 	frameworks/av/include/ \
-	frameworks/native/include/
+	frameworks/native/include/ \
+	$(call include-path-for, audio-utils)
 LOCAL_SHARED_LIBRARIES := liblog libcutils libutils libnbaio
 LOCAL_STATIC_LIBRARIES := libmedia_helper
 LOCAL_MODULE_TAGS := optional