move visual bench interactive module to timing state machine

tools/VisualBench/VisualLightweightBenchModule.cpp

Index: tools/VisualBench/VisualLightweightBenchModule.cpp
diff --git a/tools/VisualBench/VisualLightweightBenchModule.cpp b/tools/VisualBench/VisualLightweightBenchModule.cpp
index fa99caa1fb56dfff0f043ade0fd7445cab564466..d964ae3e58d082a22c07813dd4fd7d91ff831792 100644
--- a/tools/VisualBench/VisualLightweightBenchModule.cpp
+++ b/tools/VisualBench/VisualLightweightBenchModule.cpp
@@ -163,10 +163,11 @@ void VisualLightweightBenchModule::draw(SkCanvas* canvas) {
                 fTSM.nextBenchmark(canvas, fBenchmark);
                 fCurrentSample = 0;
                 fBenchmark.reset(nullptr);
+            } else {
+                fTSM.nextSampleWithPrewarm();
             }
             break;
     }
-
 }
 
 bool VisualLightweightBenchModule::onHandleChar(SkUnichar c) {