Bazel: Reformat BUILD file with buildifier

Change-Id: Iab54927ee82990886e92e80c9860a79292359487

BUILD

diff --git a/BUILD b/BUILD
index c3468f3..cf90561 100644
--- a/BUILD
+++ b/BUILD
@@ -1,11 +1,11 @@
-load('//tools/bzl:plugin.bzl', 'gerrit_plugin')
+load("//tools/bzl:plugin.bzl", "gerrit_plugin")
 
 gerrit_plugin(
-  name = 'download-commands',
-  srcs = glob(['src/main/java/**/*.java']),
-  resources = glob(['src/main/resources/**/*']),
-  manifest_entries = [
-    'Gerrit-PluginName: download-commands',
-    'Gerrit-Module: com.googlesource.gerrit.plugins.download.Module'
-  ]
+    name = "download-commands",
+    srcs = glob(["src/main/java/**/*.java"]),
+    manifest_entries = [
+        "Gerrit-PluginName: download-commands",
+        "Gerrit-Module: com.googlesource.gerrit.plugins.download.Module",
+    ],
+    resources = glob(["src/main/resources/**/*"]),
 )