Add resource tracking output and command buffer recycling

src/gpu/vk/GrVkPipeline.h

Index: src/gpu/vk/GrVkPipeline.h
diff --git a/src/gpu/vk/GrVkPipeline.h b/src/gpu/vk/GrVkPipeline.h
index 0e818edadcb48fc15693b71169da453d44560d3d..bec4aeb6002fcec20333d4ca6d0de128370e6525 100644
--- a/src/gpu/vk/GrVkPipeline.h
+++ b/src/gpu/vk/GrVkPipeline.h
@@ -37,6 +37,11 @@ public:
 
     static void SetDynamicState(GrVkGpu*, GrVkCommandBuffer*, const GrPipeline&);
 
+#ifdef SK_TRACE_VK_RESOURCES
+    void dumpInfo() const override {
+        SkDebugf("GrVkPipeline: %d (%d refs)\n", fPipeline, this->getRefCnt());
+    }
+#endif
 
 private:
     GrVkPipeline(VkPipeline pipeline) : INHERITED(), fPipeline(pipeline) {}