1. Change API naming 2. Combine 2 constructors 3. Add comments for usage Change-Id: I13d98ed82879b46252bb86a7be7b0a5382024c72
1. Change API naming 2. Combine 2 constructors 3. Add comments for usage Change-Id: I13d98ed82879b46252bb86a7be7b0a5382024c72