update_engine: Run clang-format on payload_consumer

We just did a AOSP merge, so it is a good time to clean things up.

BUG=none
TEST=unittest

Change-Id: I4fe9cef5eb8709344d6b78bc298c0f1c03308ffc
Reviewed-on: https://chromium-review.googlesource.com/1407540
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Amin Hassani <ahassani@chromium.org>
Reviewed-by: Sen Jiang <senj@chromium.org>
Reviewed-by: Xiaochu Liu <xiaochu@chromium.org>
diff --git a/payload_consumer/postinstall_runner_action.h b/payload_consumer/postinstall_runner_action.h
index 2e48e11..b9b7069 100644
--- a/payload_consumer/postinstall_runner_action.h
+++ b/payload_consumer/postinstall_runner_action.h
@@ -89,8 +89,7 @@
   void Cleanup();
 
   // Subprocess::Exec callback.
-  void CompletePartitionPostinstall(int return_code,
-                                    const std::string& output);
+  void CompletePartitionPostinstall(int return_code, const std::string& output);
 
   // Complete the Action with the passed |error_code| and mark the new slot as
   // ready. Called when the post-install script was run for all the partitions.