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/tools/aapt/AaptAssets.cpp b/tools/aapt/AaptAssets.cpp
index 3d6537a..f0c215e 100644
--- a/tools/aapt/AaptAssets.cpp
+++ b/tools/aapt/AaptAssets.cpp
@@ -1019,6 +1019,11 @@
               (out->uiMode&~ResTable_config::MASK_UI_MODE_TYPE)
               | ResTable_config::UI_MODE_TYPE_TELEVISION;
         return true;
+    } else if (strcmp(name, "appliance") == 0) {
+      if (out) out->uiMode =
+              (out->uiMode&~ResTable_config::MASK_UI_MODE_TYPE)
+              | ResTable_config::UI_MODE_TYPE_APPLIANCE;
+        return true;
     }
 
     return false;