Update any hard-coded references to these builders. 

From efoo@, in reference to https://cs.chromium.org/chromium/infra/go/src/infra/appengine/sheriff-o-matic/frontend/elements/som-layout-test-builder-configs-behavior.html?q=mac10.11_blink_rel&sq=package:chromium&dr=C&l=59:

"The names of the ones we want are actually the ones with dashes instead of underscores. 
This set: 
'linux-blink-rel', 'mac10.10-blink-rel', 'mac10.11-blink-rel', 'mac10.12-blink-rel',
'mac10.13-blink-rel',
'mac10.13_retina-blink-rel', 'win10-blink-rel', 'win7-blink-rel'"