Add a new ui mode for "appliance"

The idea is that this is a device which is more-or-less headless.  It
might have some limited interaction capabilities, but it's not something
that you want to rely on having.

Change-Id: Ib92f53a120bf83de781728011721a4859def7d9f
diff --git a/include/utils/ResourceTypes.h b/include/utils/ResourceTypes.h
index 612ff93..e045b2c 100644
--- a/include/utils/ResourceTypes.h
+++ b/include/utils/ResourceTypes.h
@@ -955,6 +955,7 @@
         UI_MODE_TYPE_DESK = ACONFIGURATION_UI_MODE_TYPE_DESK,
         UI_MODE_TYPE_CAR = ACONFIGURATION_UI_MODE_TYPE_CAR,
         UI_MODE_TYPE_TELEVISION = ACONFIGURATION_UI_MODE_TYPE_TELEVISION,
+        UI_MODE_TYPE_APPLIANCE = ACONFIGURATION_UI_MODE_TYPE_APPLIANCE,
 
         // uiMode bits for the night switch.
         MASK_UI_MODE_NIGHT = 0x30,