[Android] Convert more test targets to use isolate.

breakpad/breakpad_unittests.isolate

Index: breakpad/breakpad_unittests.isolate
diff --git a/breakpad/breakpad_unittests.isolate b/breakpad/breakpad_unittests.isolate
new file mode 100644
index 0000000000000000000000000000000000000000..030dfac8e720ec655f12e27cfc489c7f2441ab30
--- /dev/null
+++ b/breakpad/breakpad_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_tracked': [
+          '<(PRODUCT_DIR)/linux_dumper_unittest_helper',
+        ],
+      },
+    }],
+  ],
+}