hal: audio_extn: Update LOCAL_ADDITIONAL_DEPENDENCIES

Update LOCAL_ADDITIONAL_DEPENDENCIES to fix kernel header
build dependency.

Change-Id: I3121e5600c030dffa72b1acbcdcf6b3231d928a8
diff --git a/hal/audio_extn/Android.mk b/hal/audio_extn/Android.mk
index 6af15b2..56cbfd2 100755
--- a/hal/audio_extn/Android.mk
+++ b/hal/audio_extn/Android.mk
@@ -277,6 +277,7 @@
     $(call include-path-for, audio-effects)
 
 LOCAL_C_INCLUDES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/techpack/audio/include
+LOCAL_ADDITIONAL_DEPENDENCIES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr
 
 LOCAL_HEADER_LIBRARIES += libhardware_headers
 LOCAL_HEADER_LIBRARIES += libsystem_headers
@@ -330,6 +331,7 @@
     $(call include-path-for, audio-effects)
 
 LOCAL_C_INCLUDES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/techpack/audio/include
+LOCAL_ADDITIONAL_DEPENDENCIES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr
 
 LOCAL_HEADER_LIBRARIES += libhardware_headers
 LOCAL_HEADER_LIBRARIES += libsystem_headers