display: Fix garbage values from UPDATE_COLOR_SPACE

This change initializes the local "ColorMetaData color"
to prevent uninitialized values being read.

CRs-Fixed: 2660086
Change-Id: I67284a57d4e12a0289824288b36804e3bd76fd02

libqdmetadata/qdMetaData.cpp

@@ -163,7 +163,7 @@ int setMetaDataVa(MetaData_t *data, DispParamType paramType,
             data->refreshrate = *((float *)param);
             break;
         case UPDATE_COLOR_SPACE: {
-          ColorMetaData color;
+          ColorMetaData color = {};
           if (!colorSpaceToColorMetadata(*((ColorSpace_t *)param), &color)) {
             data->color = color;
           }