ReadInfo: fail silently if file does not contain device info Printing error messages is useful in case the header is corrupted, however ReadInfo is also used to read an optional header and will print error messages in case there is no header present. This error message has been removed. BUG=chromium:244969 TEST=run touchtests. No more error messages. Change-Id: Ibf1fd35630acb14f5a74872bb03eed513eca39a2 Reviewed-on: https://gerrit.chromium.org/gerrit/57012 Reviewed-by: Andrew de los Reyes <[email protected]> Tested-by: Dennis Kempin <[email protected]> Commit-Queue: Dennis Kempin <[email protected]>