Add resource tracking output and command buffer recycling

src/gpu/vk/GrVkImage.h

Index: src/gpu/vk/GrVkImage.h
diff --git a/src/gpu/vk/GrVkImage.h b/src/gpu/vk/GrVkImage.h
index fe180698e8b4d833d1770afd0e7407b7d413c6e0..2bfc08d150ffa41fb179aa8111b415cac8d2a1c9 100644
--- a/src/gpu/vk/GrVkImage.h
+++ b/src/gpu/vk/GrVkImage.h
@@ -107,6 +107,11 @@ private:
 
         ~Resource() override {}
 
+#ifdef SK_TRACE_VK_RESOURCES
+        void dumpInfo() const override {
+            SkDebugf("GrVkImage: %d (%d refs)\n", fImage, this->getRefCnt()); 
+        }
+#endif
     private:
         void freeGPUData(const GrVkGpu* gpu) const override;