React Native sync

Reviewed By: sebmarkbage

Differential Revision: D5214576

fbshipit-source-id: 41f350ce8961851c7404257df8295d505471d9f4

Libraries/Renderer/shims/PooledClass.js

@@ -95,8 +95,10 @@ var addPoolingTo = function<T>(
   CopyConstructor: Class<T>,
   pooler: Pooler,
 ): Class<T> & {
-  getPooled(): /* arguments of the constructor */ T,
-  release(): void,
+  getPooled(
+    ...args: $ReadOnlyArray<mixed>
+  ): /* arguments of the constructor */ T,
+  release(instance: mixed): void,
 } {
   // Casting as any so that flow ignores the actual implementation and trusts
   // it to match the type we declared