Updates bosh-load-tests dockerfile for new mysql conf location
Updates bosh-load-tests dockerfile for new mysql conf location

Signed-off-by: Danny Berger <8efccf38e9d8f361e1973ad644e1b1e50ad8ecfe@pivotal.io>

barthy1/bosh,barthy1/bosh,barthy1/bosh,barthy1/bosh