sdm: Add support for IGC.

- Add support for sRGB IGC.
- Program IGC PP parameters for sRGB contents.

Change-Id: I41b4b0bd8ef60fc7f869c742d084f4c3a3db6635
diff --git a/libqdutils/qdMetaData.cpp b/libqdutils/qdMetaData.cpp
index 952952d..a66704e 100644
--- a/libqdutils/qdMetaData.cpp
+++ b/libqdutils/qdMetaData.cpp
@@ -99,6 +99,9 @@
         case LINEAR_FORMAT:
             data->linearFormat = *((uint32_t *)param);
             break;
+        case SET_IGC:
+            data->igc = *((IGC_t *)param);
+            break;
         default:
             ALOGE("Unknown paramType %d", paramType);
             break;