Fix the ReduxExample app (3) (#1144)

* [Example] Upgrade dependencies to fix the ReduxExample app

* [Example] Also upgrade and fix the LinkingExample app

* [Example] Update MainApplication.java to fix Android API

examples/LinkingExample/android/app/src/main/java/com/linkingexample/MainApplication.java

@@ -23,7 +23,7 @@ public class MainApplication extends Application implements ReactApplication {
     }
 
     @Override
-    protected boolean getUseDeveloperSupport() {
+    public boolean getUseDeveloperSupport() {
       return BuildConfig.DEBUG;
     }