Update the chain paramaters.

Summary: As per title. Add the DAA activation as a checkpoint and update other parameters.

Test Plan: Do IBD for testnet and mainet.

Reviewers: schancel, #bitcoin_abc, Mengerian

Reviewed By: #bitcoin_abc, Mengerian

Subscribers: Mengerian, freetrader

Differential Revision: https://reviews.bitcoinabc.org/D738