Kill running emulators at start of build
Kill running emulators at start of build

https://trello.com/c/HAmlJaiF/334-kill-all-emulators-at-the-start-of-ci-sh

braintree/braintree_android,cardinalblue/braintree_android,cardinalblue/braintree_android,subrodrigues/braintree_android,subrodrigues/braintree_android,subrodrigues/braintree_android,marviktintor/braintree_android,vignesh380/braintree_android,braintree/braintree_android,cardinalblue/braintree_android,braintree/braintree_android,marviktintor/braintree_android,braintree/braintree_android,vignesh380/braintree_android,vignesh380/braintree_android,marviktintor/braintree_android