git-sync-deps handles recursive DEPS

tools/git-sync-deps

Index: tools/git-sync-deps
diff --git a/tools/git-sync-deps b/tools/git-sync-deps
index 22309bd792dde7f67f124d80d5dce2957d44c987..717ab38055287dc2af9a0bdb4c814fcdca51fb79 100755
--- a/tools/git-sync-deps
+++ b/tools/git-sync-deps
@@ -194,6 +194,10 @@ def git_sync_deps(deps_file_path, deps_os_list, verbose):
 
   multithread(git_checkout_to_directory, list_of_arg_lists)
 
+  for directory in deps.get('recursedeps', []):
+    recursive_path = os.path.join(deps_file_directory, directory, 'DEPS')
+    git_sync_deps(recursive_path, deps_os_list, verbose)
+
 
 def multithread(function, list_of_arg_lists):
   # for args in list_of_arg_lists: