Bazel: Reformat build files

Reformat the Bazel build files with the buildifier tool [1].

The style is different for Bazel files. Most notably, indentation level
is 4 spaces instead of 2, and " is used instead of '.

[1] https://github.com/bazelbuild/buildifier

Change-Id: I95c0c6f11b6d76572797853b4ebb5cee5ebd3c98

gerrit-prettify/BUILD

@@ -1,40 +1,40 @@
-load('//tools/bzl:gwt.bzl', 'gwt_module')
+load("//tools/bzl:gwt.bzl", "gwt_module")
 
-SRC = 'src/main/java/com/google/gerrit/prettify/'
+SRC = "src/main/java/com/google/gerrit/prettify/"
 
 gwt_module(
-  name = 'client',
-  srcs = glob([
-    SRC + 'common/**/*.java',
-  ]),
-  gwt_xml = SRC + 'PrettyFormatter.gwt.xml',
-  deps = ['//lib/gwt:user-neverlink'],
-  exported_deps = [
-    '//gerrit-extension-api:client',
-    '//gerrit-gwtexpui:SafeHtml',
-    '//gerrit-patch-jgit:client',
-    '//gerrit-patch-jgit:Edit',
-    '//gerrit-reviewdb:client',
-    '//lib:gwtjsonrpc',
-    '//lib:gwtjsonrpc_src',
-  ],
-  visibility = ['//visibility:public'],
+    name = "client",
+    srcs = glob([
+        SRC + "common/**/*.java",
+    ]),
+    exported_deps = [
+        "//gerrit-extension-api:client",
+        "//gerrit-gwtexpui:SafeHtml",
+        "//gerrit-patch-jgit:Edit",
+        "//gerrit-patch-jgit:client",
+        "//gerrit-reviewdb:client",
+        "//lib:gwtjsonrpc",
+        "//lib:gwtjsonrpc_src",
+    ],
+    gwt_xml = SRC + "PrettyFormatter.gwt.xml",
+    visibility = ["//visibility:public"],
+    deps = ["//lib/gwt:user-neverlink"],
 )
 
 java_library(
-  name = 'server',
-  srcs = glob([SRC + 'common/**/*.java']),
-  deps = [
-    '//gerrit-patch-jgit:server',
-    '//gerrit-reviewdb:server',
-    '//lib:guava',
-    '//lib:gwtjsonrpc',
-    '//lib/jgit/org.eclipse.jgit:jgit',
-  ],
-  visibility = ['//visibility:public'],
+    name = "server",
+    srcs = glob([SRC + "common/**/*.java"]),
+    visibility = ["//visibility:public"],
+    deps = [
+        "//gerrit-patch-jgit:server",
+        "//gerrit-reviewdb:server",
+        "//lib:guava",
+        "//lib:gwtjsonrpc",
+        "//lib/jgit/org.eclipse.jgit:jgit",
+    ],
 )
 
 exports_files([
-  'src/main/resources/com/google/gerrit/prettify/client/prettify.css',
-  'src/main/resources/com/google/gerrit/prettify/client/prettify.js',
+    "src/main/resources/com/google/gerrit/prettify/client/prettify.css",
+    "src/main/resources/com/google/gerrit/prettify/client/prettify.js",
 ])