[Java] Add Scale and Precision to ValueVectorTypes.tdd for Decimals

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Reporter: Siddharth Teotia / @siddharthteotia
Assignee: Siddharth Teotia / @siddharthteotia

_{Note: This issue was originally created as ARROW-1655. Please see the migration documentation for further details.}

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Bryan Cutler / @BryanCutler:
What exactly is this referring to? Scale and precision are typeParams in ValueVectorTypes

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Wes McKinney / @wesm:
Added to 0.8.0

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Wes McKinney / @wesm:
Is this still relevant post-refactor?

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Wes McKinney / @wesm:
Following up on this

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Siddharth Teotia / @siddharthteotia:
This is not needed anymore.

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Todd Farmer / @toddfarmer:
Transitioning issue from Resolved to Closed to based on resolution field value.