overlay: Add System Navigation keys
diff --git a/overlay/frameworks/base/core/res/res/values/config.xml b/overlay/frameworks/base/core/res/res/values/config.xml
index 09e7f1b..029f3e1 100644
--- a/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/frameworks/base/core/res/res/values/config.xml
@@ -405,4 +405,7 @@
     <!-- Full qualified name of the class that implements
         com.android.internal.os.DeviceKeyHandler interface. -->
     <string name="config_deviceKeyHandlerClass" translatable="false">org.omnirom.device.KeyHandler</string>
+
+    <!-- Enable system navigation keys. -->
+    <bool name="config_supportSystemNavigationKeys">true</bool>
 </resources>