remove device attached intent from network activity to avoid duplicate alert
android:name=".robot.NetworkActivity"
android:label="@string/activity_name"
android:noHistory="false">
+<!--
<intent-filter>
<action android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED" />
</intent-filter>
<meta-data
android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED"
android:resource="@xml/device_filter" />
+-->
</activity>
