update_engine: Run clang-format on common/

BUG=none
TEST=unittest

Change-Id: Icdaf5017e03a197bc576f08f4b8dcdd00cff217c
Reviewed-on: https://chromium-review.googlesource.com/1407541
Commit-Ready: Amin Hassani <ahassani@chromium.org>
Tested-by: Amin Hassani <ahassani@chromium.org>
Reviewed-by: Sen Jiang <senj@chromium.org>
diff --git a/common/http_fetcher.cc b/common/http_fetcher.cc
index 73c0d48..5a98dfc 100644
--- a/common/http_fetcher.cc
+++ b/common/http_fetcher.cc
@@ -29,7 +29,8 @@
   CancelProxyResolution();
 }
 
-void HttpFetcher::SetPostData(const void* data, size_t size,
+void HttpFetcher::SetPostData(const void* data,
+                              size_t size,
                               HttpContentType type) {
   post_data_set_ = true;
   post_data_.clear();