Log ImageSource uris that are not using Facebook domain

Summary:
This diff adds logging to uncover what are the ReactNative screens that are rendering images using NON-Facebook domains

changelog: [internal] internal

Reviewed By: yungsters

Differential Revision: D29179990

fbshipit-source-id: 85f6380848d1ac1461419bc29c4666be389fb87a

Libraries/Image/Image.android.js

@@ -13,7 +13,7 @@ import ImageViewNativeComponent from './ImageViewNativeComponent';
 import * as React from 'react';
 import StyleSheet from '../StyleSheet/StyleSheet';
 import TextAncestor from '../Text/TextAncestor';
-
+import ImageSourceInjection from './ImageSourceInjection';
 import ImageAnalyticsTagContext from './ImageAnalyticsTagContext';
 import flattenStyle from '../StyleSheet/flattenStyle';
 import resolveAssetSource from './resolveAssetSource';
@@ -132,8 +132,13 @@ let Image = (props: ImagePropsType, forwardedRef) => {
     props.loadingIndicatorSource,
   );
 
-  if (source && source.uri === '') {
-    console.warn('source.uri should not be an empty string');
+  if (source) {
+    const uri = source.uri;
+    if (uri === '') {
+      console.warn('source.uri should not be an empty string');
+    } else if (ImageSourceInjection.unstable_enableUriAnalytics) {
+      ImageSourceInjection.unstable_enableUriAnalytics(uri);
+    }
   }
 
   if (props.src) {

Libraries/Image/ImageSourceInjection.js

@@ -0,0 +1,13 @@
+/**
+ * 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.
+ *
+ * @format
+ * @flow strict
+ */
+
+export default {
+  unstable_enableUriAnalytics: (null: ?(uri: string) => void),
+};