Added TestCreate for GrComposeEffect

src/gpu/GrProcessor.cpp

Index: src/gpu/GrProcessor.cpp
diff --git a/src/gpu/GrProcessor.cpp b/src/gpu/GrProcessor.cpp
index 4f6d8788b108fbd6b9065faa12cbf1e73452fa59..e324baa260feab0504b9762065d4cddb352135b7 100644
--- a/src/gpu/GrProcessor.cpp
+++ b/src/gpu/GrProcessor.cpp
@@ -50,7 +50,7 @@ GrProcessorTestFactory<GrGeometryProcessor>::GetFactories() {
  * we verify the count is as expected.  If a new factory is added, then these numbers must be
  * manually adjusted.
  */
-static const int kFPFactoryCount = 37;
+static const int kFPFactoryCount = 38;
 static const int kGPFactoryCount = 14;
 static const int kXPFactoryCount = 5;