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/subprocess.h b/common/subprocess.h
index 209158b..bc19d16 100644
--- a/common/subprocess.h
+++ b/common/subprocess.h
@@ -97,9 +97,7 @@
                                    std::string* stdout);
 
   // Gets the one instance.
-  static Subprocess& Get() {
-    return *subprocess_singleton_;
-  }
+  static Subprocess& Get() { return *subprocess_singleton_; }
 
   // Tries to log all in flight processes's output. It is used right before
   // exiting the update_engine, probably when the subprocess caused a system
@@ -111,7 +109,7 @@
 
   struct SubprocessRecord {
     explicit SubprocessRecord(const ExecCallback& callback)
-      : callback(callback) {}
+        : callback(callback) {}
 
     // The callback supplied by the caller.
     ExecCallback callback;