Normalize scheme for URL on Android (#21561)

Summary:
Android requires lowercase for URL scheme. This commit 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: #21561

Differential Revision: D10287868

Pulled By: hramos

fbshipit-source-id: f5e474164fdb2cfd49bd8ee51da17de3f1341a9c

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(