[Feature][Meta]Update/Read/Write VisibleVersionTime for Partition#4076#4086

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morningman merged 2 commits intoapache:masterfrom

marising:partition_visibleversiontime

Jul 26, 2020

Commits on Jul 23, 2020

[Feature][Meta]Add VisibleVersionTime for Partition and PartitionCommitInfo
marising
committed

Commits on Jul 24, 2020

PartitoinCommitInfo uses gson for serialization and deserialization
marising
committed