Remove const from `const int loops`.

bench/BlurImageFilterBench.cpp

Index: bench/BlurImageFilterBench.cpp
diff --git a/bench/BlurImageFilterBench.cpp b/bench/BlurImageFilterBench.cpp
index d7d3eb2bc324f3e18ccc985887347607268edbc9..e4476a11edeba78d47bdf148836922a7d36cda01 100644
--- a/bench/BlurImageFilterBench.cpp
+++ b/bench/BlurImageFilterBench.cpp
@@ -42,7 +42,7 @@ protected:
         }
     }
 
-    void onDraw(const int loops, SkCanvas* canvas) override {
+    void onDraw(int loops, SkCanvas* canvas) override {
         SkPaint paint;
         static const SkScalar kX = 0;
         static const SkScalar kY = 0;