Allow cache tracking to be enabled in release

https://codereview.appspot.com/6500057/



git-svn-id: http://skia.googlecode.com/svn/trunk@5365 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gm/gmmain.cpp b/gm/gmmain.cpp
index feee33d..f13d99f 100644
--- a/gm/gmmain.cpp
+++ b/gm/gmmain.cpp
@@ -1151,7 +1151,7 @@
 
 #if SK_SUPPORT_GPU
 
-#if SK_DEBUG
+#if GR_CACHE_STATS
     for (int i = 0; i < configs.count(); i++) {
         ConfigData config = gRec[configs[i]];