gn format // (the rest)

tools/android/forwarder2/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # GYP: //tools/android/forwarder2/forwarder.gyp:forwarder2
 group("forwarder2") {
   datadeps = [
     ":host_forwarder($host_toolchain)",
     ":host_forwarder_copy($host_toolchain)",
     ":device_forwarder($default_toolchain)",
@@ skipping 70 matching lines @@
       "util.h",
     ]
     deps = [
       "//base",
       "//tools/android/common",
     ]
   }
 
   # GYP: //tools/android/forwarder2/forwarder.gyp:forwarder2
   copy("host_forwarder_copy") {
-    sources = ["$root_out_dir/host_forwarder"]
-    outputs = ["$root_build_dir/host_forwarder"]
+    sources = [
+      "$root_out_dir/host_forwarder",
+    ]
+    outputs = [
+      "$root_build_dir/host_forwarder",
+    ]
   }
 }