Remove const from `const int loops`.

bench/AlternatingColorPatternBench.cpp

Index: bench/AlternatingColorPatternBench.cpp
diff --git a/bench/AlternatingColorPatternBench.cpp b/bench/AlternatingColorPatternBench.cpp
index cb561e3351f8ee0c187583047402a27b792d2afd..b7285d6e3bfbe2bd93ef6fd6496cdfb099168d10 100644
--- a/bench/AlternatingColorPatternBench.cpp
+++ b/bench/AlternatingColorPatternBench.cpp
@@ -147,7 +147,7 @@ protected:
         }
     }
 
-    void onDraw(const int loops, SkCanvas* canvas) override {
+    void onDraw(int loops, SkCanvas* canvas) override {
         SkPaint paint;
         paint.setAntiAlias(false);
         paint.setFilterQuality(kLow_SkFilterQuality);