display : change wormhole calculation for swap rect

In case of swap rect use case ,wormhole rect will
be same as  dirty rect (if has any blending)

Change-Id: Id2ee34d860207c440a033010460723fe964f7074
diff --git a/libqdutils/Android.mk b/libqdutils/Android.mk
index 06f4f00..2907ccf 100644
--- a/libqdutils/Android.mk
+++ b/libqdutils/Android.mk
@@ -13,7 +13,8 @@
 LOCAL_SRC_FILES               := profiler.cpp mdp_version.cpp \
                                  idle_invalidator.cpp \
                                  comptype.cpp qd_utils.cpp \
-                                 cb_utils.cpp display_config.cpp
+                                 cb_utils.cpp display_config.cpp \
+                                 cb_swap_rect.cpp
 include $(BUILD_SHARED_LIBRARY)
 
 include $(CLEAR_VARS)