Fix ApplicationInfo spacing and assigment

* Removed extra line before ApplicationInfo
* Removed `null` assign as this is default and not needed.

Author: jkasten2

OneSignalSDK/onesignal/src/main/java/com/onesignal/OSUtils.java

@@ -403,8 +403,7 @@ String getCarrierName() {
    }
 
    static Bundle getManifestMetaBundle(Context context) {
-
-      ApplicationInfo ai = null;
+      ApplicationInfo ai;
       try {
          ai = context.getPackageManager().getApplicationInfo(context.getPackageName(), PackageManager.GET_META_DATA);
          return ai.metaData;