Enable multidexing in testbed_native_android as well

Author: jdee

examples/testbed_native_android/android/app/build.gradle

@@ -7,6 +7,7 @@ android {
         applicationId "io.branch.testbed_native_android"
         minSdkVersion 16
         targetSdkVersion 25
+        multiDexEnabled true
         versionCode 1
         versionName "1.0"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"

examples/testbed_native_android/android/app/src/main/java/io/branch/testbed_native_android/MainApplication.java

@@ -1,17 +1,25 @@
 package io.branch.testbed_native_android;
 
-import android.app.Application;
+import android.content.Context;
+import android.support.multidex.MultiDex;
+import android.support.multidex.MultiDexApplication;
 
 import io.branch.referral.Branch;
 
 /**
  * Created by jdee on 3/30/17.
  */
 
-public class MainApplication extends Application {
+public class MainApplication extends MultiDexApplication {
     @Override
     public void onCreate() {
         super.onCreate();
         Branch.getAutoInstance(this);
     }
+
+    @Override
+    protected void attachBaseContext(Context base) {
+        super.attachBaseContext(base);
+        MultiDex.install(this);
+    }
 }