Logging for UpdateEngineClient added temporarily.

BUG=378865
NOTRY=true

Review URL: https://codereview.chromium.org/319923003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@275427 0039d316-1c4b-4281-b951-d872f2087c98

chromeos/dbus/update_engine_client.cc

@@ -38,6 +38,7 @@ const int64_t kDownloadSizeDelta = 1 << 19;
 // Returns UPDATE_STATUS_ERROR on error.
 UpdateEngineClient::UpdateStatusOperation UpdateStatusFromString(
     const std::string& str) {
+  VLOG(1) << "UpdateStatusFromString got " << str << " as input.";
   if (str == update_engine::kUpdateStatusIdle)
     return UpdateEngineClient::UPDATE_STATUS_IDLE;
   if (str == update_engine::kUpdateStatusCheckingForUpdate)