Set up cache in vulkan to reuse GrVkPrograms (aka VkPipelines)

src/gpu/vk/GrVkProgramBuilder.h

Index: src/gpu/vk/GrVkProgramBuilder.h
diff --git a/src/gpu/vk/GrVkProgramBuilder.h b/src/gpu/vk/GrVkProgramBuilder.h
index 65fe54667c4908e2d30490a386d172e37a6ad4f0..bb013bab27c6398f9004f4fc2de42c2dd8bf1fce 100644
--- a/src/gpu/vk/GrVkProgramBuilder.h
+++ b/src/gpu/vk/GrVkProgramBuilder.h
@@ -11,15 +11,15 @@
 #include "glsl/GrGLSLProgramBuilder.h"
 
 #include "GrPipeline.h"
-#include "vk/GrVkUniformHandler.h"
-#include "vk/GrVkVaryingHandler.h"
+#include "GrVkProgram.h"
+#include "GrVkUniformHandler.h"
+#include "GrVkVaryingHandler.h"
 
 #include "shaderc/shaderc.h"
 #include "vulkan/vulkan.h"
 
 class GrVkGpu;
 class GrVkRenderPass;
-class GrVkProgram;
 class GrVkProgramDesc;
 
 class GrVkProgramBuilder : public GrGLSLProgramBuilder {
@@ -35,7 +35,7 @@ public:
                                       const GrPipeline&,
                                       const GrPrimitiveProcessor&,
                                       GrPrimitiveType,
-                                      const GrVkProgramDesc&,
+                                      const GrVkProgram::PipelineDesc&,
                                       const GrVkRenderPass& renderPass);
 
     const GrCaps* caps() const override;
@@ -51,7 +51,9 @@ private:
                        const GrPrimitiveProcessor&,
                        const GrVkProgramDesc&);
 
-    GrVkProgram* finalize(GrPrimitiveType primitiveType, const GrVkRenderPass& renderPass);
+    GrVkProgram* finalize(GrPrimitiveType primitiveType,
+                          const GrVkRenderPass& renderPass,
+                          const GrVkProgram::PipelineDesc&);
 
     static bool CreateVkShaderModule(const GrVkGpu* gpu,
                                      VkShaderStageFlagBits stage,