Add number of draws to GrGpu stats

src/gpu/GrTest.cpp

Index: src/gpu/GrTest.cpp
diff --git a/src/gpu/GrTest.cpp b/src/gpu/GrTest.cpp
index a111ee51851e58b34e437b4d5814241f9c470ad8..0852b6dd945f1919e0e97c474d3a7fee4ce3c08e 100644
--- a/src/gpu/GrTest.cpp
+++ b/src/gpu/GrTest.cpp
@@ -103,6 +103,7 @@ void GrGpu::Stats::dump(SkString* out) {
     out->appendf("Textures Created: %d\n", fTextureCreates);
     out->appendf("Texture Uploads: %d\n", fTextureUploads);
     out->appendf("Stencil Buffer Creates: %d\n", fStencilAttachmentCreates);
+    out->appendf("Number of draws: %d\n", fNumDraws);
 }
 #endif