translate provisioning report headers

refs CNVS-3134

test plan
 - provisioning report headers should be translated

Change-Id: I457989c7d82dac29cfd565e897ce8b8b8190de61
Reviewed-on: https://gerrit.instructure.com/34590
Tested-by: Jenkins <jenkins@instructure.com>
Reviewed-by: Cody Cutrer <cody@instructure.com>
QA-Review: August Thornton <august@instructure.com>
Product-Review: Rob Orton <rob@instructure.com>