qdutils: Query MDP caps for UBWC feature

- querySDEInfo queries MDP caps to check if UBWC is supported on H/W.
- Gralloc calls querySDEInfo api to check if UBWC feature is enabled
  by MDP driver.

CRs-Fixed: 1013911
Change-Id: I9114c4d8286842f19619302484ee4690c59fcb29
diff --git a/libqdutils/qd_utils.cpp b/libqdutils/qd_utils.cpp
index 254df30..6453b58 100644
--- a/libqdutils/qd_utils.cpp
+++ b/libqdutils/qd_utils.cpp
@@ -62,6 +62,10 @@
         featureName = "tile_format";
         break;
 
+    case HAS_UBWC:
+        featureName = "ubwc";
+        break;
+
     default:
         ALOGE("Invalid query type %d", type);
         return -EINVAL;