sdm: Export SDM interface headers to OUT directory.

CRs-Fixed: 1054762
Change-Id: I875a5521b45e893aaa5a53db07249d6fcaca4521
diff --git a/sdm/libs/utils/Android.mk b/sdm/libs/utils/Android.mk
index 928f3c4..ee95e48 100644
--- a/sdm/libs/utils/Android.mk
+++ b/sdm/libs/utils/Android.mk
@@ -12,3 +12,14 @@
                                  formats.cpp
 
 include $(BUILD_SHARED_LIBRARY)
+
+SDM_HEADER_PATH := ../../include
+include $(CLEAR_VARS)
+LOCAL_COPY_HEADERS_TO         := $(common_header_export_path)/sdm/utils
+LOCAL_COPY_HEADERS             = $(SDM_HEADER_PATH)/utils/constants.h \
+                                 $(SDM_HEADER_PATH)/utils/debug.h \
+                                 $(SDM_HEADER_PATH)/utils/formats.h \
+                                 $(SDM_HEADER_PATH)/utils/locker.h \
+                                 $(SDM_HEADER_PATH)/utils/rect.h \
+                                 $(SDM_HEADER_PATH)/utils/sys.h
+include $(BUILD_COPY_HEADERS)
\ No newline at end of file