Add secure overlay displays in developer options.

Change-Id: I16fb0429de42443a95e8dfd03382bf8e0c2a6bb7
diff --git a/res/values/arrays.xml b/res/values/arrays.xml
index 2e3d6db..f60268a 100644
--- a/res/values/arrays.xml
+++ b/res/values/arrays.xml
@@ -818,8 +818,11 @@
     <string-array name="overlay_display_devices_entries">
         <item>None</item>
         <item>720x480 mdpi</item>
+        <item>720x480 mdpi (secure)</item>
         <item>1280x720 tvdpi</item>
+        <item>1280x720 tvdpi (secure)</item>
         <item>1920x1080 xhdpi</item>
+        <item>1920x1080 xhdpi (secure)</item>
         <item>1280x720 tvdpi and 1920x1080 xhdpi</item>
     </string-array>
 
@@ -827,8 +830,11 @@
     <string-array name="overlay_display_devices_values" translatable="false" >
         <item></item>
         <item>720x480/160</item>
+        <item>720x480/160,secure</item>
         <item>1280x720/213</item>
+        <item>1280x720/213,secure</item>
         <item>1920x1080/320</item>
+        <item>1920x1080/320,secure</item>
         <item>1280x720/213;1920x1080/320</item>
     </string-array>