Add CQ extra bots back

Now that we have build delegation for CQ jobs,
this should work.
BUG=chromium:629910

Review-Url: https://codereview.chromium.org/2166033002
Cr-Commit-Position: refs/heads/master@{#406650}

tools/perf/PRESUBMIT.py

@@ -130,9 +130,9 @@ def PostUploadHook(cl, change, output_api):
   results = []
   bots = [
     'android_s5_perf_cq',
+    'linux_perf_cq',
     'mac_retina_perf_cq',
-    # TODO(prasadv): Uncomment this once crbug.com/601699 is fixed.
-    # 'linux_perf_cq'
+    'winx64_10_perf_cq'
   ]
   bots = ['master.tryserver.chromium.perf:%s' % s for s in bots]
   bots_string = ';'.join(bots)