Added speed test for risk serialization.
Added speed test for risk serialization.


Former-commit-id: 2e40af35c69c3b35fce8a189bd9a6fabdad4e8c2 [formerly 1988e8d2e283f795f248511a10df1c501984bbbc]
Former-commit-id: a1244ac04bb9957991a299b4644c844cc552facc
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine