Wire up SystemUI zen mode config to new settings panel.

Change-Id: I949b31be0b31c02ab736799f9080601fb0fd79d1
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index 40bbbd4..ee85972 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -749,6 +749,14 @@
     public static final String ACTION_PRINT_SETTINGS =
             "android.settings.ACTION_PRINT_SETTINGS";
 
+    /**
+     * Activity Action: Show Zen Mode configuration settings.
+     *
+     * @hide
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_ZEN_MODE_SETTINGS = "android.settings.ZEN_MODE_SETTINGS";
+
     // End of Intent actions for Settings
 
     /**