Revert of Convert compositor_unittests to run exclusively on Swarming

ui/compositor/compositor_unittests.isolate

-# Copyright (c) 2015 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-{
-  'conditions': [
-    ['(OS=="linux" or OS=="mac" or OS=="win") and use_x11==0', {
-      'variables': {
-        'command': [
-          '../../testing/test_env.py',
-          '<(PRODUCT_DIR)/compositor_unittests<(EXECUTABLE_SUFFIX)',
-          '--brave-new-test-launcher',
-          '--test-launcher-bot-mode',
-          '--asan=<(asan)',
-          '--msan=<(msan)',
-          '--tsan=<(tsan)',
-        ],
-      },
-    }],
-    ['(OS=="linux" or OS=="mac" or OS=="win") and use_x11==1', {
-      'variables': {
-        'command': [
-          '../../testing/xvfb.py',
-          '<(PRODUCT_DIR)',
-          '<(PRODUCT_DIR)/compositor_unittests',
-          '--brave-new-test-launcher',
-          '--test-launcher-bot-mode',
-          '--asan=<(asan)',
-          '--msan=<(msan)',
-          '--tsan=<(tsan)',
-        ],
-        'files': [
-          '../../testing/xvfb.py',
-          '<(PRODUCT_DIR)/xdisplaycheck',
-        ],
-      },
-    }],
-    ['OS=="linux" or OS=="mac" or OS=="win"', {
-      'variables': {
-        'files': [
-          '../../testing/test_env.py',
-          '../gfx/test/data/compositor/',
-          '<(PRODUCT_DIR)/compositor_unittests<(EXECUTABLE_SUFFIX)',
-        ],
-      },
-    }],
-    ['OS=="linux"', {
-      'variables': { 'files': [ '<(PRODUCT_DIR)/libosmesa.so' ] },
-    }],
-    ['OS=="mac"', {
-      'variables': { 'files': [ '<(PRODUCT_DIR)/osmesa.so' ] },
-    }],
-    ['OS=="win"', {
-      'variables': { 'files': [ '<(PRODUCT_DIR)/osmesa.dll' ] },
-    }],
-  ],
-  'includes': [
-    '../../base/base.isolate',
-  ],
-}