Tone down the logging levels for these two messages from ERROR to NOTICE.

It's something to note, but it isn't an error worthy of logging by default.
(Also always log any status values in read_request_line() - incl. timeouts.)


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@93271 13f79535-47bb-0310-9956-ffa450edef68