libstagefright: Support YVU420SemiPlanar camera format

Change-Id: I631ba6267b3769d9da498329a39ac89c609be6d8
diff --git a/media/libstagefright/CameraSource.cpp b/media/libstagefright/CameraSource.cpp
index 10269b8..4ee878a 100644
--- a/media/libstagefright/CameraSource.cpp
+++ b/media/libstagefright/CameraSource.cpp
@@ -145,6 +145,10 @@
         return OMX_COLOR_FormatAndroidOpaque;
     }
 
+    if (!strcmp(colorFormat, "YVU420SemiPlanar")) {
+        return OMX_QCOM_COLOR_FormatYVU420SemiPlanar;
+    }
+
     ALOGE("Uknown color format (%s), please add it to "
          "CameraSource::getColorFormat", colorFormat);