Implement vulkan fence syncs for nanobench

tools/kilobench/kilobench.cpp

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrCaps.h"
 #include "GrContextFactory.h"
 #include "Benchmark.h"
@@ skipping 284 matching lines @@
     // To ensure waiting for the sync actually does something, we check to make sure the we exceed
     // some small value
     const double kMinElapsed = 1e-6;
     bool sanity(double start) const {
         double elapsed = now_ms() - start;
         return elapsed > kMinElapsed;
     }
 
     void waitFence(SkPlatformGpuFence sync) {
         SkDEBUGCODE(double start = now_ms());
-        fFenceSync->waitFence(sync, false);
+        fFenceSync->waitFence(sync);
         SkASSERT(sanity(start));
     }
 
     void timingLoop() {
         // Create a context which shares display lists with the main thread
         SkAutoTDelete<GLTestContext> glContext(CreatePlatformGLTestContext(kNone_GrGLStandard,
                                                                            fMainContext));
         glContext->makeCurrent();
 
         // Basic timing methodology is:
@@ skipping 332 matching lines @@
     }
     return 0;
 }
 
 #if !defined SK_BUILD_FOR_IOS
 int main(int argc, char** argv) {
     SkCommandLineFlags::Parse(argc, argv);
     return kilobench_main();
 }
 #endif