Renamed PublishErrorsHandler

For greater clarity, that the class is related to logging, PublishErrorsHandler
renamed to LoggingErrorNotificationHandler. Included an alias from the
old name to the new class for backwards-compatibility.

Change-Id: Iae8e26901bab6d5aa7532add31b49a4345b067fe
Closes-Bug: #1287420
Merge "Renamed PublishErrorsHandler"