Add better service reporting.

This will be used elsewhere.

Change-Id: Id561fa7fed5eb65446312cb697813483903d33a6
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index 125ed0b..64e47eb 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -119,6 +119,20 @@
             "android.settings.AIRPLANE_MODE_SETTINGS";
 
     /**
+     * Activity Action: Show settings for accessibility modules.
+     * <p>
+     * In some cases, a matching Activity may not exist, so ensure you
+     * safeguard against this.
+     * <p>
+     * Input: Nothing.
+     * <p>
+     * Output: Nothing.
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_ACCESSIBILITY_SETTINGS =
+            "android.settings.ACCESSIBILITY_SETTINGS";
+
+    /**
      * Activity Action: Show settings to allow configuration of security and
      * location privacy.
      * <p>