Update from https://crrev.com/308996

testing/buildbot/chromium.linux.json

Index: testing/buildbot/chromium.linux.json
diff --git a/testing/buildbot/chromium.linux.json b/testing/buildbot/chromium.linux.json
index d9f5f969221a474e01031f976a4b0033673f6d8a..7e978978e62d5a9092a5a491a5792b7a4643ef26 100644
--- a/testing/buildbot/chromium.linux.json
+++ b/testing/buildbot/chromium.linux.json
@@ -101,7 +101,12 @@
           "can_use_on_swarming_builders": true
         }
       },
-      "ui_touch_selection_unittests",
+      {
+        "test": "ui_touch_selection_unittests",
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        }
+      },
       {
         "test": "sync_integration_tests",
         "swarming": {
@@ -236,7 +241,12 @@
           "can_use_on_swarming_builders": true
         }
       },
-      "ui_touch_selection_unittests",
+      {
+        "test": "ui_touch_selection_unittests",
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        }
+      },
       {
         "test": "sync_integration_tests",
         "swarming": {
@@ -367,7 +377,12 @@
           "can_use_on_swarming_builders": true
         }
       },
-      "ui_touch_selection_unittests",
+      {
+        "test": "ui_touch_selection_unittests",
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        }
+      },
       {
         "test": "sync_integration_tests",
         "swarming": {