Update from https://crrev.com/316786

testing/buildbot/chromium.chromiumos.json

Index: testing/buildbot/chromium.chromiumos.json
diff --git a/testing/buildbot/chromium.chromiumos.json b/testing/buildbot/chromium.chromiumos.json
index 8f106b7e6e713da8b3c6a72b23ce58849ad75a7b..64f2cd5eefdc74691c2cbd9146b0e0d8a7b96ef8 100644
--- a/testing/buildbot/chromium.chromiumos.json
+++ b/testing/buildbot/chromium.chromiumos.json
@@ -30,7 +30,12 @@
           "can_use_on_swarming_builders": true
         }
       },
-      "crypto_unittests",
+      {
+        "test": "crypto_unittests",
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        }
+      },
       "dbus_unittests",
       "display_unittests",
       "extensions_unittests",
@@ -117,7 +122,12 @@
         }
       },
       "content_unittests",
-      "crypto_unittests",
+      {
+        "test": "crypto_unittests",
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        }
+      },
       "dbus_unittests",
       "device_unittests",
       "display_unittests",
@@ -187,7 +197,12 @@
       "cacheinvalidation_unittests",
       "chromeos_unittests",
       "components_unittests",
-      "crypto_unittests",
+      {
+        "test": "crypto_unittests",
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        }
+      },
       "dbus_unittests",
       "extensions_unittests",
       "google_apis_unittests",