Commit
563302430d140d86ef7b694af1bda37417a08077
by Vadim Yanitskiylogging: convert error_logger:error_report/1 to ?LOG_ERROR
In Erlang/OTP 21.0, a new API for logging was added. The old error_logger
module can still be used by legacy code, but log events are redirected to
the new Logger API. New code should use the Logger API directly.
Change-Id: Id6c61fb5ca730209ef625fc5f63d627574e60fbe