No \n in bench names.

bench/PictureOverheadBench.cpp

Index: bench/PictureOverheadBench.cpp
diff --git a/bench/PictureOverheadBench.cpp b/bench/PictureOverheadBench.cpp
index 3bd9fb0bd9e074cd1545a15b1218fb5e47efc77f..27424a24390d296dbdc2354edff1ac143a04ad66 100644
--- a/bench/PictureOverheadBench.cpp
+++ b/bench/PictureOverheadBench.cpp
@@ -17,7 +17,7 @@
 template <int kDraws, bool kLite>
 struct PictureOverheadBench : public Benchmark {
     PictureOverheadBench() {
-        fName.appendf("picture_overhead_%d%s\n", kDraws, kLite ? "_lite" : "");
+        fName.appendf("picture_overhead_%d%s", kDraws, kLite ? "_lite" : "");
     }
     const char* onGetName() override { return fName.c_str(); }
     bool isSuitableFor(Backend backend) override { return backend == kNonRendering_Backend; }