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/clock.cc b/common/clock.cc
index f0eff44..05c495c 100644
--- a/common/clock.cc
+++ b/common/clock.cc
@@ -36,7 +36,7 @@
   }
   struct timeval now_tv;
   now_tv.tv_sec = now_ts.tv_sec;
-  now_tv.tv_usec = now_ts.tv_nsec/base::Time::kNanosecondsPerMicrosecond;
+  now_tv.tv_usec = now_ts.tv_nsec / base::Time::kNanosecondsPerMicrosecond;
   return base::Time::FromTimeVal(now_tv);
 }
 
@@ -51,7 +51,7 @@
   }
   struct timeval now_tv;
   now_tv.tv_sec = now_ts.tv_sec;
-  now_tv.tv_usec = now_ts.tv_nsec/base::Time::kNanosecondsPerMicrosecond;
+  now_tv.tv_usec = now_ts.tv_nsec / base::Time::kNanosecondsPerMicrosecond;
   return base::Time::FromTimeVal(now_tv);
 }