CHROMIUM: Add SetLEConnectionParameters to DBUS service constants.

BUG=chromium:721559
TEST=N/A

Change-Id: Ie9f3983c5ecd348da10873ff1586fd70771fe6db
Reviewed-on: https://chromium-review.googlesource.com/509900
Commit-Ready: Tim Song <tengs@chromium.org>
Tested-by: Tim Song <tengs@chromium.org>
Reviewed-by: Dan Erat <derat@chromium.org>
Reviewed-by: Tim Song <tengs@chromium.org>
diff --git a/dbus/service_constants.h b/dbus/service_constants.h
index a2200ef..0bdc1cd 100644
--- a/dbus/service_constants.h
+++ b/dbus/service_constants.h
@@ -233,6 +233,7 @@
 
 // Bluetooth Device plugin methods.
 const char kGetConnInfo[] = "GetConnInfo";
+const char kSetLEConnectionParameters[] = "SetLEConnectionParameters";
 }  // namespace bluetooth_plugin_device
 
 namespace bluetooth_adapter {