Adds views_aura_mus_unittests to chromeos fyi bot

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 37b6e15eea47660c32bc760defdfce67f58fa2c9..58a2c5ce9a92a21680ca469ac5689130014c1303 100644
--- a/testing/buildbot/chromium.chromiumos.json
+++ b/testing/buildbot/chromium.chromiumos.json
@@ -382,6 +382,15 @@
         "swarming": {
           "can_use_on_swarming_builders": false
         },
+        "test": "views_aura_mus_unittests"
+      },
+      {
+        "args": [
+          "--override-use-gl-with-osmesa-for-tests"
+        ],
+        "swarming": {
+          "can_use_on_swarming_builders": false
+        },
         "test": "views_mus_interactive_ui_tests"
       },
       {
@@ -775,6 +784,12 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         },
+        "test": "views_aura_mus_unittests"
+      },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "views_mus_interactive_ui_tests"
       },
       {
@@ -1115,6 +1130,12 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         },
+        "test": "views_aura_mus_unittests"
+      },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "views_mus_interactive_ui_tests"
       },
       {