[Java] Correct byte order before comparing in ByteFunctionHelpers

[asfimport]

Reporter: Prudhvi Porandla / @pprudhvi
Assignee: Prudhvi Porandla / @pprudhvi

PRs and other links:

• GitHub Pull Request #5063

_{Note: This issue was originally created as ARROW-6208. Please see the migration documentation for further details.}

[asfimport]

Pindikura Ravindra / @pravindra:
Issue resolved by pull request 5063
#5063