Added new action for gesture settings.

Added new event for Settings -> Gestures

Bug: 28565958
Change-Id: I126ab29cf312b09cad1bd86cf614019616642536
diff --git a/proto/src/metrics_constants.proto b/proto/src/metrics_constants.proto
index 1c12565..40f3a9d 100644
--- a/proto/src/metrics_constants.proto
+++ b/proto/src/metrics_constants.proto
@@ -2239,6 +2239,10 @@
     // CATEGORY: SETTINGS
     STORAGE_MANAGER_SETTINGS = 458;
 
+    // OPEN: Settings -> Gestures
+    // CATEGORY: SETTINGS
+    SETTINGS_GESTURES = 459;
+
     // Add new aosp constants above this line.
     // END OF AOSP CONSTANTS
   }