Add other Windows configurations to the CQ.

They were flaky half a year ago, but maybe infra has fixed whatever the
issue was. We're on a different swarming pool now.

Change-Id: I6e9faa3e84d373a650ad67915ce93b293a968da8
Reviewed-on: https://boringssl-review.googlesource.com/28187
Commit-Queue: David Benjamin <davidben@google.com>
Commit-Queue: Steven Valdez <svaldez@google.com>
Reviewed-by: Steven Valdez <svaldez@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>

infra/config/cq.cfg

@@ -53,7 +53,10 @@ verifiers {
       builders { name: "win64" }
       builders { name: "win64_rel" }
       builders { name: "win64_small" }
-
+      builders { name: "win32_vs2017_compile" }
+      builders { name: "win64_vs2017_compile" }
+      builders { name: "win32_clang_vs2017_compile" }
+      builders { name: "win64_clang_vs2017_compile" }
 
       builders { name: "linux_fips" }
       builders { name: "linux_fips_rel" }