Revert of Remove all of the CrOS Ozone configs from MB.

testing/buildbot/chromium.chromiumos.json

 {
   "Linux ChromiumOS Builder": {
     "additional_compile_targets": [
       "All"
     ]
   },
   "Linux ChromiumOS Ozone Tests (1)": {
     "gtest_tests": [
       {
         "swarming": {
@@ skipping 485 matching lines @@
       {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "accessibility_unittests"
       },
       {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
-        "test": "angle_unittests"
-      },
-      {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "app_list_presenter_unittests"
       },
       {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "app_list_unittests"
       },
       {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "app_shell_unittests"
       },
       {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "ash_content_unittests"
       },
       {
-        "args": [
-          "--mash",
-          "--test-launcher-filter-file=../../testing/buildbot/filters/ash_unittests_mash.filter"
-        ],
-        "name": "ash_unittests-mash",
-        "override_isolate_target": "ash_unittests",
         "swarming": {
-          "can_use_on_swarming_builders": true
-        },
-        "test": "ash_unittests"
-      },
-      {
-        "args": [
-          "--mus",
-          "--test-launcher-filter-file=../../testing/buildbot/filters/ash_unittests_mus.filter"
-        ],
-        "name": "ash_unittests-mus",
-        "override_isolate_target": "ash_unittests",
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
-        "test": "ash_unittests"
-      },
-      {
-        "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "ash_unittests"
       },
       {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "aura_unittests"
       },
@@ skipping 137 matching lines @@
         "test": "gpu_ipc_service_unittests"
       },
       {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "gpu_unittests"
       },
       {
         "swarming": {
-          "can_use_on_swarming_builders": true,
-          "shards": 3
+          "can_use_on_swarming_builders": true
         },
         "test": "interactive_ui_tests"
       },
       {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "ipc_tests"
       },
       {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "jingle_unittests"
       },
       {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "latency_unittests"
       },
       {
-        "args": [
-          "--ozone-platform=headless",
-          "--override-use-software-gl-for-tests",
-          "--test-launcher-filter-file=../../testing/buildbot/filters/mash.browser_tests.filter"
-        ],
-        "swarming": {
-          "can_use_on_swarming_builders": true,
-          "hard_timeout": 900
-        },
-        "test": "mash_browser_tests"
-      },
-      {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
-        "test": "mash_unittests"
-      },
-      {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "media_blink_unittests"
       },
       {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
-        "test": "media_service_unittests"
-      },
-      {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "media_unittests"
       },
       {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "message_center_unittests"
       },
       {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "midi_unittests"
       },
       {
-        "args": [
-          "--ozone-platform=headless",
-          "--override-use-software-gl-for-tests",
-          "--test-launcher-filter-file=../../testing/buildbot/filters/mus.browser_tests.filter"
-        ],
-        "swarming": {
-          "can_use_on_swarming_builders": true,
-          "hard_timeout": 900
-        },
-        "test": "mus_browser_tests"
-      },
-      {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "nacl_helper_nonsfi_unittests"
       },
       {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "nacl_loader_unittests"
       },
       {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "native_theme_unittests"
       },
       {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "net_unittests"
       },
       {
-        "args": [
-          "--ozone-platform=headless"
-        ],
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
-        "test": "ozone_gl_unittests"
-      },
-      {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
-        "test": "ozone_unittests"
-      },
-      {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "pdf_unittests"
       },
       {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "ppapi_unittests"
       },
       {
         "swarming": {
-          "can_use_on_swarming_builders": true
-        },
-        "test": "printing_unittests"
-      },
-      {
-        "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "remoting_unittests"
       },
       {
         "args": [
           "--test-launcher-print-test-stdio=always"
         ],
         "swarming": {
           "can_use_on_swarming_builders": true
@@ skipping 61 matching lines @@
         "test": "unit_tests"
       },
       {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "url_unittests"
       },
       {
         "swarming": {
-          "can_use_on_swarming_builders": true
-        },
-        "test": "views_mus_interactive_ui_tests"
-      },
-      {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
-        "test": "views_mus_unittests"
-      },
-      {
-        "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "views_unittests"
       },
       {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "viz_unittests"
       },
@@ skipping 363 matching lines @@
       },
       {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "wm_unittests"
       }
     ]
   }
 }