Ramp up tryserver.chromium.chromiumos CQ builders to 100%.

BUG=793908,793913,793944

Change-Id: I0d1828f8dba43140ad5c8b54eb6e33b84b9d8f50
Reviewed-on: https://chromium-review.googlesource.com/1054703Reviewed-by: John Budorick <jbudorick@chromium.org>
Commit-Queue: Jao-ke Chin-Lee <jchinlee@chromium.org>
Cr-Commit-Position: refs/heads/master@{#558064}

infra/config/branch/cq.cfg

@@ -75,15 +75,15 @@ verifiers {
       name: "master.tryserver.chromium.chromiumos"
       builders {
         name: "chromeos-amd64-generic-rel"
-        equivalent_to { bucket: "luci.chromium.try" percentage: 10 }
+        equivalent_to { bucket: "luci.chromium.try" percentage: 100 }
       }
       builders {
         name: "chromeos-daisy-rel"
-        equivalent_to { bucket: "luci.chromium.try" percentage: 10 }
+        equivalent_to { bucket: "luci.chromium.try" percentage: 100 }
       }
       builders {
         name: "linux-chromeos-rel"
-        equivalent_to { bucket: "luci.chromium.try" percentage: 10 }
+        equivalent_to { bucket: "luci.chromium.try" percentage: 100 }
       }
     }
     buckets {