Disable menu-key in unlock screen

In CM, this is a user-configurable setting, and that setting doesn't
work unless the default is disabled

Change-Id: I2f009a48d1d730c804cb0887f445b5ef54ea738e

overlay/common/frameworks/base/core/res/res/values/config.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+    <!-- default to disabling the menu key. The CM setting to
+         do this is a no-op unless the below item is true -->
+    <bool name="config_disableMenuKeyInLockScreen">true</bool>
+</resources>
+