policy_hal: Add support for FM and WFD features

- Override the base class functions and add support for FM and
  WFD audio features.

Change-Id: If14afda8e2b507ca40a06c709fd33adbe5f70727
diff --git a/policy_hal/Android.mk b/policy_hal/Android.mk
index 127b732..b6a06e4 100644
--- a/policy_hal/Android.mk
+++ b/policy_hal/Android.mk
@@ -20,6 +20,16 @@
 LOCAL_MODULE_PATH := $(TARGET_OUT_SHARED_LIBRARIES)/hw
 LOCAL_MODULE_TAGS := optional
 
+ifneq ($(strip $(AUDIO_FEATURE_DISABLED_FM)),true)
+LOCAL_CFLAGS += -DAUDIO_EXTN_FM_ENABLED
+endif
+ifneq ($(strip $(AUDIO_FEATURE_DISABLED_PROXY_DEVICE)),true)
+LOCAL_CFLAGS += -DAUDIO_EXTN_AFE_PROXY_ENABLED
+endif
+ifneq ($(strip $(AUDIO_FEATURE_DISABLED_INCALL_MUSIC)),true)
+LOCAL_CFLAGS += -DAUDIO_EXTN_INCALL_MUSIC_ENABLED
+endif
+
 include $(BUILD_SHARED_LIBRARY)
 
 endif