Refactoring

Author: Robot Media

AndroidBillingLibraryTest/AndroidManifest.xml

@@ -16,6 +16,6 @@
                 <action android:name="com.android.vending.billing.PURCHASE_STATE_CHANGED" />
             </intent-filter>
         </receiver>
-        <activity android:name="net.robotmedia.billing.MockBillingActivity"></activity>
+        <activity android:name="net.robotmedia.billing.helper.MockBillingActivity"></activity>
     </application>
 </manifest>