PARQUET-1980: Add TravisCI job to build and test on ARM64

[martin-g]

Jira

https://issues.apache.org/jira/browse/PARQUET-1980

Commits

• [ X ] My commits all reference Jira issues in their subject lines. In addition, my commits follow the guidelines from "How to write a good git commit message":
  1. Subject is separated from body by a blank line
  2. Subject is limited to 50 characters (not including Jira issue reference)
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Documentation

• No new functionality

[martin-g]

This just makes the script task explicit.

[gszadovszky]

@martin-g, because of the recent Travis issue we have decided to move to Github Actions. We've already done with the transition in parquet-mr and it is on the way for parquet-format as well. See #166 for details.

Another thing is that the parquet-format builds are only for verification purposes. The generated java classes are deprecated here and will be removed in a later release. We have moved the java related code generation to the parquet-mr module parquet-format-structures.

[martin-g]

Thanks for the reference, @gszadovszky !
I've added a comment to PARQUET-1969

[martin-g]

Closing this PR since the code is now in Parquet MR!