Revert of [Sync] Merge sync_unit_tests into components_unit_tests.

components/sync_unit_tests.isolate

+# Copyright 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"', {
+      'variables': {
+        'command': [
+          '../../testing/test_env.py',
+          '<(PRODUCT_DIR)/sync_unit_tests<(EXECUTABLE_SUFFIX)',
+          '--brave-new-test-launcher',
+          '--test-launcher-bot-mode',
+          '--asan=<(asan)',
+          '--msan=<(msan)',
+          '--tsan=<(tsan)',
+        ],
+        'files': [
+          '../../chrome/test/data/sync/',
+          '../../net/tools/testserver/',
+          '../../testing/test_env.py',
+          '../../third_party/pyftpdlib/',
+          '../../third_party/pywebsocket/',
+          '../../third_party/tlslite/',
+          '<(PRODUCT_DIR)/pyproto/google/',
+        ],
+      },
+    }],
+  ],
+  'includes': [
+    '../../base/base.isolate',
+  ],
+}