Add a value for the screen metrics

Change-Id: I4d221e19b495e865a6714854c4addfaeddeb4e18
diff --git a/java/res/values/config.xml b/java/res/values/config.xml
index 32fb5bf..cede1ec 100644
--- a/java/res/values/config.xml
+++ b/java/res/values/config.xml
@@ -76,4 +76,6 @@
              will be subject to auto-correction. -->
         <item>0</item>
     </string-array>
+    <!--  Screen metrics for logging. 0 = "mdpi", 1 = "hdpi", 2 = "xlarge" -->
+    <integer name="log_screen_metrics">0</integer>
 </resources>