Move more mus tests to service_unittest.

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 aaf72ff853f966ee77d20f53862cb046dc475561..3b3684993cdc27b0f82b9c85578d17743c8d52fd 100644
--- a/testing/buildbot/chromium.chromiumos.json
+++ b/testing/buildbot/chromium.chromiumos.json
@@ -216,12 +216,6 @@
       },
       {
         "swarming": {
-          "can_use_on_swarming_builders": true
-        },
-        "test": "input_device_unittests"
-      },
-      {
-        "swarming": {
           "can_use_on_swarming_builders": true,
           "shards": 3
         },
@@ -297,12 +291,6 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         },
-        "test": "mus_demo_unittests"
-      },
-      {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "mus_gpu_unittests"
       },
       {
@@ -432,12 +420,6 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         },
-        "test": "ui_struct_traits_unittests"
-      },
-      {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "ui_touch_selection_unittests"
       },
       {
@@ -668,12 +650,6 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         },
-        "test": "input_device_unittests"
-      },
-      {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "interactive_ui_tests"
       },
       {
@@ -821,12 +797,6 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         },
-        "test": "ui_struct_traits_unittests"
-      },
-      {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "ui_touch_selection_unittests"
       },
       {