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/error_code_utils.cc b/common/error_code_utils.cc
index a1607f5..b0bbbd4 100644
--- a/common/error_code_utils.cc
+++ b/common/error_code_utils.cc
@@ -30,12 +30,15 @@
   // doesn't support any combinations of those.
   if ((static_cast<int>(code) & static_cast<int>(ErrorCode::kSpecialFlags)) &&
       (static_cast<int>(code) & ~static_cast<int>(ErrorCode::kSpecialFlags)))
-    code = static_cast<ErrorCode>(
-        static_cast<int>(code) & ~static_cast<int>(ErrorCode::kSpecialFlags));
+    code = static_cast<ErrorCode>(static_cast<int>(code) &
+                                  ~static_cast<int>(ErrorCode::kSpecialFlags));
   switch (code) {
-    case ErrorCode::kSuccess: return "ErrorCode::kSuccess";
-    case ErrorCode::kError: return "ErrorCode::kError";
-    case ErrorCode::kOmahaRequestError: return "ErrorCode::kOmahaRequestError";
+    case ErrorCode::kSuccess:
+      return "ErrorCode::kSuccess";
+    case ErrorCode::kError:
+      return "ErrorCode::kError";
+    case ErrorCode::kOmahaRequestError:
+      return "ErrorCode::kOmahaRequestError";
     case ErrorCode::kOmahaResponseHandlerError:
       return "ErrorCode::kOmahaResponseHandlerError";
     case ErrorCode::kFilesystemCopierError: