Format BUILD files with buildifier 0.12.0

Change-Id: I2c7c4ba4a5fd2bb1f8aadb1f79a134a83bdb1d7a
diff --git a/BUILD b/BUILD
index 3852f4f..03f8e0a 100644
--- a/BUILD
+++ b/BUILD
@@ -1,9 +1,9 @@
 load("//tools/bzl:junit.bzl", "junit_tests")
 load(
     "//tools/bzl:plugin.bzl",
-    "gerrit_plugin",
     "PLUGIN_DEPS",
     "PLUGIN_TEST_DEPS",
+    "gerrit_plugin",
 )
 
 gerrit_plugin(
diff --git a/tools/bzl/BUILD b/tools/bzl/BUILD
index 8b13789..e69de29 100644
--- a/tools/bzl/BUILD
+++ b/tools/bzl/BUILD
@@ -1 +0,0 @@
-