Use VkPipelineCaches during VkPipeline creation

src/gpu/vk/GrVkGpu.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrVkGpu.h"
 
 #include "GrContextOptions.h"
@@ skipping 162 matching lines @@
     , fQueue(queue)
     , fCmdPool(cmdPool)
     , fResourceProvider(this)
     , fVkInstance(inst) {
     fInterface.reset(GrVkCreateInterface(fVkInstance));
     fCompiler = shaderc_compiler_initialize();
 
     fVkCaps.reset(new GrVkCaps(options, fInterface, physDev));
     fCaps.reset(SkRef(fVkCaps.get()));
 
+    fResourceProvider.init();
+
     fCurrentCmdBuffer = fResourceProvider.createCommandBuffer();
     SkASSERT(fCurrentCmdBuffer);
     fCurrentCmdBuffer->begin(this);
     VK_CALL(GetPhysicalDeviceMemoryProperties(physDev, &fPhysDevMemProps));
 
 }
 
 GrVkGpu::~GrVkGpu() {
     shaderc_compiler_release(fCompiler);
     fCurrentCmdBuffer->end(this);
@@ skipping 1070 matching lines @@
     int set_a_break_pt_here = 9;
     aglSwapBuffers(aglGetCurrentContext());
 #elif defined(SK_BUILD_FOR_WIN32)
     SwapBuf();
     int set_a_break_pt_here = 9;
     SwapBuf();
 #endif
 #endif
 }