PIP-Java Client support to Cumulative Acknowledge messages for multiple partitions or topics

[Tarun Annapareddy]

Hi devs,
    This is the official thread to vote for Java Client support to
Cumulative Acknowledge messages for multiple partitions or topics

PIP Issue: https://github.com/apache/pulsar/issues/17574
Discussion thread:
https://lists.apache.org/thread/k090ftlqc149yr1cnprxb29vxg160131
PR: https://github.com/apache/pulsar/pull/17577

Thank you,
Tarun.