Add Spec for ImageEditor (facebook#24921)

Summary:
This PR solves part of this issue: facebook#24875
## Changelog

[General] [Added] - TM Spec for ImageEditor
Pull Request resolved: facebook#24921

Reviewed By: rickhanlonii

Differential Revision: D15471058

Pulled By: fkgozali

fbshipit-source-id: f01539fc8acea95fca27ce7bb4b4169ffe138d93

Author: yjose

Libraries/Image/ImageEditor.js

@@ -8,9 +8,7 @@
  * @format
  */
 'use strict';
-
-const RCTImageEditingManager = require('../BatchedBridge/NativeModules')
-  .ImageEditingManager;
+import NativeImageEditor from './NativeImageEditor';
 
 type ImageCropData = {
   /**
@@ -66,7 +64,7 @@ class ImageEditor {
     success: (uri: string) => void,
     failure: (error: Object) => void,
   ) {
-    RCTImageEditingManager.cropImage(uri, cropData, success, failure);
+    NativeImageEditor.cropImage(uri, cropData, success, failure);
   }
 }
 

Libraries/Image/NativeImageEditor.js

@@ -0,0 +1,25 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @flow
+ * @format
+ */
+
+'use strict';
+
+import type {TurboModule} from 'RCTExport';
+import * as TurboModuleRegistry from 'TurboModuleRegistry';
+
+export interface Spec extends TurboModule {
+  +cropImage: (
+    uri: string,
+    options: Object, // TODO: type this better
+    success: (uri: string) => void,
+    error: (error: string) => void,
+  ) => void;
+}
+
+export default TurboModuleRegistry.getEnforcing<Spec>('ImageEditingManager');