[C++][FlightRPC][Integration][Java] Implement Flight RPC integration tests

[asfimport]

Reporter: David Li / @lidavidm
Assignee: Rafael Telles / @rafael-telles

Related issues:

• [C++][FlightRPC] Implement Flight SQL for C++ (relates to)

PRs and other links:

• GitHub Pull Request #11989
• GitHub Pull Request #12013

_{Note: This issue was originally created as ARROW-15112. Please see the migration documentation for further details.}

[asfimport]

David Li / @lidavidm:
CC @rafael-telles and @kylepbit  

[asfimport]

David Li / @lidavidm:
Issue resolved by pull request 12013
#12013