Add changelog entry for version 2.0.2. (#1873)
Add changelog entry for version 2.0.2. (#1873)

* Add changelog entry for version 2.0.2.

* Address review comments.
google/clusterfuzz,google/clusterfuzz,google/clusterfuzz,google/clusterfuzz,google/clusterfuzz,google/clusterfuzz,google/clusterfuzz,google/clusterfuzz