Update defaults in packager.sh
Update defaults in packager.sh


Former-commit-id: ad6f4462a64086465832a6c48f869d1cf80e6cb2 [formerly ad6f4462a64086465832a6c48f869d1cf80e6cb2 [formerly 1a741dd177888bad44fd930f7f1cacf7797b4f1d]]
Former-commit-id: d6d0604f9ee5205e99827feca799f886ee4f84c4
Former-commit-id: 7c794b9fbbf6d3dcb7ca2a42ee8da103cfb321f0
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine