Switch CQ to use blink trybots for tests.

projects.py

Index: projects.py
diff --git a/projects.py b/projects.py
index 4bbb18780cf77de927657dbefc902c25e767b4a0..390143d348a46ba58ad76ae8d742a8699efee246 100644
--- a/projects.py
+++ b/projects.py
@@ -200,9 +200,9 @@ def _gen_blink(user, root_dir, rietveld_obj, no_try):
       'mac_layout':       compile_only,
       'win_layout':       compile_only,
 
-      'linux_layout_rel': blink_tests,
-      'mac_layout_rel':   blink_tests,
-      'win_layout_rel':   blink_tests,
+      'linux_blink_rel': blink_tests,
+      'mac_blink_rel':   blink_tests,
+      'win_blink_rel':   blink_tests,
     }
 
     step_verifiers += [