Remove const from `const int loops`.

bench/WriterBench.cpp

Index: bench/WriterBench.cpp
diff --git a/bench/WriterBench.cpp b/bench/WriterBench.cpp
index 6db1cf19fe772bc1e13efbcb26f75fa1ad856930..115ffc1d420c0382ef7cf66c21243f8030c7e4ce 100644
--- a/bench/WriterBench.cpp
+++ b/bench/WriterBench.cpp
@@ -21,7 +21,7 @@ protected:
         return "writer";
     }
 
-    void onDraw(const int loops, SkCanvas*) override {
+    void onDraw(int loops, SkCanvas*) override {
         static const char gStr[] = "abcdefghimjklmnopqrstuvwxyz";
         static const size_t gLen = strlen(gStr);
         SkWriter32 writer;