libqdutils: add edid raw data reading support

Add API getEdidRawData to fill the input buffer with
edid raw data(640 bytes)

Change-Id: I993c3fdc01b469f65d78d8f5d05c46c54d4e580d
diff --git a/libqdutils/Android.mk b/libqdutils/Android.mk
index 459f548..b6bbc47 100644
--- a/libqdutils/Android.mk
+++ b/libqdutils/Android.mk
@@ -10,7 +10,7 @@
 LOCAL_ADDITIONAL_DEPENDENCIES := $(common_deps)
 LOCAL_SRC_FILES               := profiler.cpp mdp_version.cpp \
                                  idle_invalidator.cpp \
-                                 comptype.cpp
+                                 comptype.cpp qd_utils.cpp
 include $(BUILD_SHARED_LIBRARY)
 
 include $(CLEAR_VARS)