Buildify all the build files

We are slowly upgrading them all.  Bite bullet and do the rest of them.

Change-Id: I15744cf1b0dc1954954e131b35228c98247c92fe
diff --git a/third_party/empty_config_h/BUILD b/third_party/empty_config_h/BUILD
index 96ee043..d1a8093 100644
--- a/third_party/empty_config_h/BUILD
+++ b/third_party/empty_config_h/BUILD
@@ -1,9 +1,9 @@
-licenses(['unencumbered'])
+licenses(["unencumbered"])
 
 cc_library(
-  name = 'empty_config_h',
-  visibility = ['//third_party:__subpackages__'],
-  hdrs = [
-    'config.h',
-  ],
+    name = "empty_config_h",
+    hdrs = [
+        "config.h",
+    ],
+    visibility = ["//third_party:__subpackages__"],
 )