Review Request 48877: Added evolve logic for `master::Event` -> `v1::master::Event`.

[Anand Mazumdar]

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Review request for mesos, Vinod Kone and Zhitao Li.


Bugs: MESOS-5609
    https://issues.apache.org/jira/browse/MESOS-5609


Repository: mesos


Description
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Added evolve logic for `master::Event` -> `v1::master::Event`.


Diffs
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  src/internal/evolve.hpp 5f3e267fa3a0420fcbed7be6f13ee76bf85cb182 
  src/internal/evolve.cpp 93719127e75b4ba299f8d0a7fdeb4681818d30db 

Diff: https://reviews.apache.org/r/48877/diff/


Testing
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make check


Thanks,

Anand Mazumdar