set mYuvFormat to RS_YUV_NONE in Type constructor.

Change-Id: I49415d85c3ec4ddb42c587b20c30df4d5fe25842
diff --git a/cpp/Type.cpp b/cpp/Type.cpp
index 033ef7b..9581b37 100644
--- a/cpp/Type.cpp
+++ b/cpp/Type.cpp
@@ -109,6 +109,7 @@
     t->mDimZ = dimZ;
     t->mDimMipmaps = false;
     t->mDimFaces = false;
+    t->mYuvFormat = RS_YUV_NONE;
 
     t->calcElementCount();
 
@@ -123,6 +124,7 @@
     mDimZ = 0;
     mDimMipmaps = false;
     mDimFaces = false;
+    mYuvFormat = RS_YUV_NONE;
 }
 
 void Type::Builder::setX(uint32_t value) {