display: Add QC Display utils

* Rename qcomui directory to qdutils
* Avoid inclusion of qcom_ui header
* Add class to get MDP version
* Add namespace for qdutils to prevent collison

Change-Id: I9a3f440e6b0fea1cfcc478ddca90af5df3bbb897
diff --git a/libhwcomposer/hwc_overlay.cpp b/libhwcomposer/hwc_overlay.cpp
index 00f53e9..77402cc 100644
--- a/libhwcomposer/hwc_overlay.cpp
+++ b/libhwcomposer/hwc_overlay.cpp
@@ -16,6 +16,7 @@
  */
 
 #include "hwc_utils.h"
+#define FINAL_TRANSFORM_MASK 0x000F
 
 namespace qhwc {
 // Determine overlay state based on decoded video info