tools/bzl/plugin.bzl: Fix order of imports

Internally at Google a new import order is enforced. Not having the
imports in the correct order is reported as a problem when importing
Gerrit code into Google.

Release-Notes: skip
Change-Id: Ie37a4b089d027aa23a5409c156b876f1ebec7858
Signed-off-by: Edwin Kempin <ekempin@google.com>

tools/bzl/plugin.bzl

diff --git a/tools/bzl/plugin.bzl b/tools/bzl/plugin.bzl
index f1b80f2..5bacec8 100644
--- a/tools/bzl/plugin.bzl
+++ b/tools/bzl/plugin.bzl
@@ -2,9 +2,9 @@
 Build rules for plugins.
 """
 
+load("//:version.bzl", "GERRIT_VERSION")
 load("@rules_java//java:defs.bzl", "java_binary", "java_library")
 load("//tools/bzl:genrule2.bzl", "genrule2")
-load("//:version.bzl", "GERRIT_VERSION")
 
 IN_TREE_BUILD_MODE = True