Format Bazel files with buildifier

Use the same 4.0.0 version as used in Gerrit core.
`buildifier -r .`

Change-Id: I3fb2dba21058496143f87280531bdd57b6e00122
diff --git a/BUILD b/BUILD
index eb1f32d..f2c2940 100644
--- a/BUILD
+++ b/BUILD
@@ -12,6 +12,7 @@
 load(":paths.bzl", "join")
 
 plugin_name = "task"
+
 test_factory_provider_plugin_name = "names-factory-provider"
 
 java_plugin(
@@ -46,6 +47,12 @@
 gerrit_plugin(
     name = plugin_name,
     srcs = glob(["src/main/java/**/*.java"]),
+    javacopts = [
+        "-Werror",
+        "-Xlint:all",
+        "-Xlint:-classfile",
+        "-Xlint:-processing",
+    ],
     manifest_entries = [
         "Gerrit-PluginName: " + plugin_name,
         "Implementation-Title: Task Plugin",
@@ -63,7 +70,6 @@
             "src/main/java/com/googlesource/gerrit/plugins/task/extensions",
         ),
     ],
-    javacopts = [ "-Werror", "-Xlint:all", "-Xlint:-classfile", "-Xlint:-processing"],
 )
 
 gerrit_js_bundle(
@@ -81,8 +87,8 @@
 
 gerrit_plugin(
     name = test_factory_provider_plugin_name,
-    dir_name = plugin_name,
     srcs = glob(["src/test/java/**/names_factory_provider/*.java"]),
+    dir_name = plugin_name,
     manifest_entries = [
         "Gerrit-PluginName: " + test_factory_provider_plugin_name,
         "Gerrit-Module: com.googlesource.gerrit.plugins.names_factory_provider.Module",
@@ -93,15 +99,23 @@
             package_name(),
             "src/main/java/com/googlesource/gerrit/plugins/task/extensions",
         ),
-    ]
+    ],
 )
 
 sh_test(
     name = "docker-tests",
     size = "medium",
     srcs = ["test/docker/run.sh"],
-    args = ["--task-plugin-jar", "$(location :task)", "--names-factory-provider-plugin-jar", "$(location :names-factory-provider)"],
-    data = [plugin_name, test_factory_provider_plugin_name] + glob(["test/**"]) + glob(["src/main/resources/Documentation/*"]),
+    args = [
+        "--task-plugin-jar",
+        "$(location :task)",
+        "--names-factory-provider-plugin-jar",
+        "$(location :names-factory-provider)",
+    ],
+    data = [
+        plugin_name,
+        test_factory_provider_plugin_name,
+    ] + glob(["test/**"]) + glob(["src/main/resources/Documentation/*"]),
     local = True,
     tags = ["docker"],
 )
diff --git a/tools/BUILD b/tools/BUILD
index 1fa2160..cc10083 100644
--- a/tools/BUILD
+++ b/tools/BUILD
@@ -1 +1 @@
-# Empty file - bazel treat directories with BUILD file as a package
\ No newline at end of file
+# Empty file - bazel treat directories with BUILD file as a package
diff --git a/tools/bzl/js.bzl b/tools/bzl/js.bzl
index e36a535..6987fe7 100644
--- a/tools/bzl/js.bzl
+++ b/tools/bzl/js.bzl
@@ -1,2 +1,3 @@
 load("@com_googlesource_gerrit_bazlets//tools:js.bzl", _gerrit_js_bundle = "gerrit_js_bundle")
+
 gerrit_js_bundle = _gerrit_js_bundle
diff --git a/tools/bzl/junit.bzl b/tools/bzl/junit.bzl
index 5df79bb..97307bd 100644
--- a/tools/bzl/junit.bzl
+++ b/tools/bzl/junit.bzl
@@ -3,4 +3,4 @@
     _junit_tests = "junit_tests",
 )
 
-junit_tests = _junit_tests
\ No newline at end of file
+junit_tests = _junit_tests
diff --git a/tools/bzl/maven_jar.bzl b/tools/bzl/maven_jar.bzl
index 4871c7b..ed1504d 100644
--- a/tools/bzl/maven_jar.bzl
+++ b/tools/bzl/maven_jar.bzl
@@ -1,4 +1,4 @@
 load("@com_googlesource_gerrit_bazlets//tools:maven_jar.bzl", _gerrit = "GERRIT", _maven_jar = "maven_jar")
 
 maven_jar = _maven_jar
-GERRIT = _gerrit
\ No newline at end of file
+GERRIT = _gerrit
diff --git a/tools/js/BUILD b/tools/js/BUILD
index 1fa2160..cc10083 100644
--- a/tools/js/BUILD
+++ b/tools/js/BUILD
@@ -1 +1 @@
-# Empty file - bazel treat directories with BUILD file as a package
\ No newline at end of file
+# Empty file - bazel treat directories with BUILD file as a package