Force VisualBench to reset GLContext on GrContext reset

src/views/unix/SkOSWindow_Unix.cpp

Index: src/views/unix/SkOSWindow_Unix.cpp
diff --git a/src/views/unix/SkOSWindow_Unix.cpp b/src/views/unix/SkOSWindow_Unix.cpp
index 4d4b628bfb61e50e79d3f27253e1e6feadaae392..1c288f4be824222dbf660d92d8e56ed5dd44e41a 100644
--- a/src/views/unix/SkOSWindow_Unix.cpp
+++ b/src/views/unix/SkOSWindow_Unix.cpp
@@ -337,7 +337,7 @@ void SkOSWindow::mapWindowAndWait() {
             k##name = (type) GLX_GET_PROC_ADDR(#name); \
         } \
         k##name(__VA_ARGS__); \
-        SkDebugf("using %s\n", #name); \
+        /*SkDebugf("using %s\n", #name);*/ \
         return; \
     }