Compare the trybots on offer for http://crrev.com/c/560546 and http://crrev.com/2964793002

Specifically, I'd like debug try bots so I can verify that http://crrev.com/c/560546 works on the bot mentioned in http://crbug.com/725548 

The following bots seem good to add, at a minimum:

linux_trusty_blink_dbg
mac10.9_blink_dbg
win7_blink_dbg
linux_chromium_dbg_ng
mac_chromium_dbg_ng
win_chromium_dbg_ng 

I'm filing a bug instead of submitting a CL against buildbucket.config because I imagine that the dbg build bots weren't left out accidentally, and a discussion is warranted.