Normalize scheme for URL on Android (facebook#21561)

Summary:
Android requires lowercase for URL scheme. This commit facebook@d00bdb9 fixed it but on React Native side.
Because it is Android specific, it should be fixed on Android side.

Android has method to normalize url scheme: https://developer.android.com/reference/android/net/Uri.html#normalizeScheme()
Pull Request resolved: facebook#21561

Differential Revision: D10287868

Pulled By: hramos

fbshipit-source-id: f5e474164fdb2cfd49bd8ee51da17de3f1341a9c

Author: radeno

Libraries/Linking/Linking.js

@@ -57,13 +57,6 @@ class Linking extends NativeEventEmitter {
    * See https://facebook.github.io/react-native/docs/linking.html#openurl
    */
   openURL(url: string): Promise<any> {
-    // Android Intent requires protocols http and https to be in lowercase.
-    // https:// and http:// works, but Https:// and Http:// doesn't.
-    if (url.toLowerCase().startsWith('https://')) {
-      url = url.replace(url.substr(0, 8), 'https://');
-    } else if (url.toLowerCase().startsWith('http://')) {
-      url = url.replace(url.substr(0, 7), 'http://');
-    }
     this._validateURL(url);
     return LinkingManager.openURL(url);
   }

ReactAndroid/src/main/java/com/facebook/react/modules/intent/IntentModule.java

@@ -79,7 +79,7 @@ public void openURL(String url, Promise promise) {
 
     try {
       Activity currentActivity = getCurrentActivity();
-      Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
+      Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url).normalizeScheme());
 
       String selfPackageName = getReactApplicationContext().getPackageName();
       ComponentName componentName = intent.resolveActivity(