Add DescriptorPool and set manager to GrVkProgram

src/gpu/vk/GrVkResourceProvider.h

Index: src/gpu/vk/GrVkResourceProvider.h
diff --git a/src/gpu/vk/GrVkResourceProvider.h b/src/gpu/vk/GrVkResourceProvider.h
index a769a652d40b5b802b1c59b31845c4c4111c5d2e..66a2556a9398ba7e9cfa8e8f1a48875072406456 100644
--- a/src/gpu/vk/GrVkResourceProvider.h
+++ b/src/gpu/vk/GrVkResourceProvider.h
@@ -49,14 +49,13 @@ public:
     GrVkCommandBuffer* createCommandBuffer();
     void checkCommandBuffers();
 
-    // Finds or creates a compatible GrVkDescriptorPool for the requested DescriptorTypeCount.
+    // Finds or creates a compatible GrVkDescriptorPool for the requested type and count.
     // The refcount is incremented and a pointer returned.
     // TODO: Currently this will just create a descriptor pool without holding onto a ref itself
     //       so we currently do not reuse them. Rquires knowing if another draw is currently using
     //       the GrVkDescriptorPool, the ability to reset pools, and the ability to purge pools out
     //       of our cache of GrVkDescriptorPools.
-    GrVkDescriptorPool* findOrCreateCompatibleDescriptorPool(
-                                        const GrVkDescriptorPool::DescriptorTypeCounts& typeCounts);
+    GrVkDescriptorPool* findOrCreateCompatibleDescriptorPool(VkDescriptorType type, uint32_t count);
 
     // Finds or creates a compatible GrVkSampler based on the GrTextureParams.
     // The refcount is incremented and a pointer returned.