Upgrade addressmapper contract to support multi-chain mapping

[atchapcyp]

Requirement :

• [x] DAppChain account can be mapped to multiple foreign accounts on the same foreign chain.
• [x] DAppChain account can be mapped to foreign accounts on multiple foreign chains.
• [ ] Remove mapped address.
• [x] Add chainID and nonce to the hash that's signed to prove account ownership (feature flag required).
• [ ] Migration ?

In order to support multichain address mapper, We will need to add more complex to the key of key-value store. prefixKey : byteAddress : TargetchainID : sequence --> address mapping protobuf (from,to)

ref : https://github.com/loomnetwork/loomchain/issues/1101

• [x] I added unit tests for any code that added
• [ ] I updated the CHANGELOG.md
• [x] All IP is original and not copied from another source
• [x] I assign all copyright to Loom Network for the code in the pull request

[atchapcyp]

rebuild sesame

[adyromantika]

rebuild sesame