[Java][Gandiva] Implement Reserve for JavaBuffer

[asfimport]

Reporter: Jin Shang / @js8544
Assignee: Jin Shang / @js8544

Related issues:

• [Java][Gandiva] ProjectorTest.testStringOutput is failed (duplicates)

PRs and other links:

• GitHub Pull Request #14323

_{Note: This issue was originally created as ARROW-17940. Please see the migration documentation for further details.}

[asfimport]

Antoine Pitrou / @pitrou:
Issue resolved by pull request 14323
#14323