Merge "Updating wearable_core_hardware to support device administration." into nyc-dev

    <!-- basic system services -->

    <feature name="android.software.home_screen" />

    <!-- devices that support a device administrator policy must include

         android.software.device_admin.xml -->

    <!-- device administration -->

    <feature name="android.software.device_admin" />

    <feature name="android.software.managed_users" />

    <!-- devices with GPS must include device/google/clockwork/gps.xml -->

    <!-- devices with an autofocus camera and/or flash must include either

         android.hardware.camera.autofocus.xml or