[Android] Convert more test targets to use isolate.

components/components_unittests.isolate

Index: components/components_unittests.isolate
diff --git a/components/components_unittests.isolate b/components/components_unittests.isolate
new file mode 100644
index 0000000000000000000000000000000000000000..0c3f20358a1eab0c89e94d7153b0c97f83f0fe92
--- /dev/null
+++ b/components/components_unittests.isolate
@@ -0,0 +1,14 @@
+# Copyright (c) 2013 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=="android"', {
+      'variables': {
+        'isolate_dependency_untracked': [
+          '<(PRODUCT_DIR)/content_resources.pak',
+        ],
+      },
+    }],
+  ],
+}