CQ config: always run win tryjobs, but don't block on them.

TBR=davidben@google.com

Bug: 740633
Change-Id: I7e2b53fc020509b7e46176ff4fed9133ba2b864a
Reviewed-on: https://boringssl-review.googlesource.com/19325
Reviewed-by: Andrii Shyshkalov <tandrii@google.com>

infra/config/cq.cfg

@@ -49,12 +49,12 @@ verifiers {
 
       # TODO(tandrii): make win bots required after https://crbug.com/740633
       # is resolved.
-      builders { name: "win32" experiment_percentage: 1}
-      builders { name: "win32_rel" experiment_percentage: 1}
-      builders { name: "win32_small" experiment_percentage: 1}
-      builders { name: "win64" experiment_percentage: 1}
-      builders { name: "win64_rel" experiment_percentage: 1}
-      builders { name: "win64_small" experiment_percentage: 1}
+      builders { name: "win32" experiment_percentage: 100}
+      builders { name: "win32_rel" experiment_percentage: 100}
+      builders { name: "win32_small" experiment_percentage: 100}
+      builders { name: "win64" experiment_percentage: 100}
+      builders { name: "win64_rel" experiment_percentage: 100}
+      builders { name: "win64_small" experiment_percentage: 100}
 
 
       builders { name: "linux_fips" }