Updated timing code for new event system

By: Tahg <tahgtahv@gmail.com>

paper-api/src/main/java/org/bukkit/plugin/PluginManager.java

@@ -276,4 +276,11 @@ public interface PluginManager {
      * @return Set containing all current registered permissions
      */
     public Set<Permission> getPermissions();
+
+    /**
+     * Returns whether or not timing code should be used for event calls
+     *
+     * @return True if event timings are to be used
+     */
+    public boolean useTimings();
 }