Add small_errand resource pool on AWS for acceptance_tests_diego
Add small_errand resource pool on AWS for acceptance_tests_diego

[#76316052]

Signed-off-by: Max Brunsfeld <8ee73e75b50cc292b5052b11f2ca25336d3e974e@pivotallabs.com>

cloudfoundry-incubator/diego-release,cloudfoundry-incubator/diego-release,cloudfoundry-incubator/diego-release,cloudfoundry-incubator/diego-release