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
diff --git a/Documentation/BUILD b/Documentation/BUILD
index 4f5ed5e..d9c123d 100644
--- a/Documentation/BUILD
+++ b/Documentation/BUILD
@@ -1,4 +1,4 @@
-package(default_visibility = ['//visibility:public'])
+package(default_visibility = ["//visibility:public"])
 
 load("//tools/bzl:asciidoc.bzl", "documentation_attributes")
 load("//tools/bzl:asciidoc.bzl", "genasciidoc")
@@ -6,96 +6,97 @@
 load("//tools/bzl:license.bzl", "license_map")
 
 exports_files([
-  "replace_macros.py",
+    "replace_macros.py",
 ])
 
 filegroup(
-  name = "prettify_files",
-  srcs = [
-    ":prettify.min.css",
-    ":prettify.min.js",
-  ],
+    name = "prettify_files",
+    srcs = [
+        ":prettify.min.css",
+        ":prettify.min.js",
+    ],
 )
 
 genrule(
-  name = "prettify_min_css",
-  srcs = ["//gerrit-prettify:src/main/resources/com/google/gerrit/prettify/client/prettify.css"],
-  cmd = "cp $< $@",
-  outs = ["prettify.min.css"],
+    name = "prettify_min_css",
+    srcs = ["//gerrit-prettify:src/main/resources/com/google/gerrit/prettify/client/prettify.css"],
+    outs = ["prettify.min.css"],
+    cmd = "cp $< $@",
 )
 
 genrule(
-  name = "prettify_min_js",
-  srcs = ["//gerrit-prettify:src/main/resources/com/google/gerrit/prettify/client/prettify.js"],
-  cmd = "cp $< $@",
-  outs = ["prettify.min.js"],
+    name = "prettify_min_js",
+    srcs = ["//gerrit-prettify:src/main/resources/com/google/gerrit/prettify/client/prettify.js"],
+    outs = ["prettify.min.js"],
+    cmd = "cp $< $@",
 )
 
 filegroup(
-  name = "resources",
-  srcs = glob([
-    "images/*.jpg",
-    "images/*.png",
-  ]) + [
-    ":prettify_files",
-    "//:LICENSES.txt",
-  ],
-  visibility = ['//visibility:public'],
+    name = "resources",
+    srcs = glob([
+        "images/*.jpg",
+        "images/*.png",
+    ]) + [
+        ":prettify_files",
+        "//:LICENSES.txt",
+    ],
+    visibility = ["//visibility:public"],
 )
 
 license_map(
-  name = "licenses",
-  targets = [
-    "//gerrit-pgm:pgm",
-    "//gerrit-gwtui:ui_module",
-    "//polygerrit-ui/app:polygerrit_ui",
-  ],
-  opts = ["--asciidoctor"],
-  visibility = ['//visibility:public'],
+    name = "licenses",
+    opts = ["--asciidoctor"],
+    targets = [
+        "//gerrit-pgm:pgm",
+        "//gerrit-gwtui:ui_module",
+        "//polygerrit-ui/app:polygerrit_ui",
+    ],
+    visibility = ["//visibility:public"],
 )
 
 DOC_DIR = "Documentation"
+
 SRCS = glob(["*.txt"]) + [":licenses.txt"]
 
 genrule(
-  name = "index",
-  cmd = "$(location //lib/asciidoctor:doc_indexer) " +
-      "-o $(OUTS) " +
-      '--prefix "%s/" ' % DOC_DIR +
-      '--in-ext ".txt" ' +
-      '--out-ext ".html" ' +
-      "$(SRCS)",
-  tools = ["//lib/asciidoctor:doc_indexer"],
-  srcs = SRCS,
-  outs = ["index.jar"],
+    name = "index",
+    srcs = SRCS,
+    outs = ["index.jar"],
+    cmd = "$(location //lib/asciidoctor:doc_indexer) " +
+          "-o $(OUTS) " +
+          "--prefix \"%s/\" " % DOC_DIR +
+          "--in-ext \".txt\" " +
+          "--out-ext \".html\" " +
+          "$(SRCS)",
+    tools = ["//lib/asciidoctor:doc_indexer"],
 )
 
 # For the same srcs, we can have multiple genasciidoc_zip rules, but only one
 # genasciidoc rule. Because multiple genasciidoc rules will have conflicting
 # output files.
 genasciidoc(
-  name = "Documentation",
-  srcs = SRCS,
-  attributes = documentation_attributes(),
-  backend = "html5",
-  visibility = ["//visibility:public"],
+    name = "Documentation",
+    srcs = SRCS,
+    attributes = documentation_attributes(),
+    backend = "html5",
+    visibility = ["//visibility:public"],
 )
 
 genasciidoc_zip(
-  name = "html",
-  srcs = SRCS,
-  attributes = documentation_attributes(),
-  backend = "html5",
-  directory = DOC_DIR,
-  visibility = ["//visibility:public"],
+    name = "html",
+    srcs = SRCS,
+    attributes = documentation_attributes(),
+    backend = "html5",
+    directory = DOC_DIR,
+    visibility = ["//visibility:public"],
 )
 
 genasciidoc_zip(
-  name = "searchfree",
-  srcs = SRCS,
-  attributes = documentation_attributes(),
-  backend = "html5",
-  directory = DOC_DIR,
-  searchbox = False,
-  visibility = ["//visibility:public"],
+    name = "searchfree",
+    srcs = SRCS,
+    attributes = documentation_attributes(),
+    backend = "html5",
+    directory = DOC_DIR,
+    searchbox = False,
+    visibility = ["//visibility:public"],
 )