Allow -Xmx to be specified as an argument to vespa-visit
Allow -Xmx to be specified as an argument to vespa-visit

vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa