Filter Changes for Bigtable

[divyapandian5]

Description of PR

How was this patch tested?

For code changes:

• Does the title or this PR starts with the corresponding JIRA issue id (e.g. 'HADOOP-17799. Your PR title ...')?
• Object storage: have the integration tests been executed and the endpoint declared according to the connector-specific documentation?
• If adding new dependencies to the code, are these dependencies licensed in a way that is compatible for inclusion under ASF 2.0?
• If applicable, have you updated the LICENSE, LICENSE-binary, NOTICE-binary files?

[ayushtkn]

Need to raise a jira first before raising the PR.
Go through the doc
https://cwiki.apache.org/confluence/display/HADOOP/How+To+Contribute
In general the PR should be raised against trunk branch, unless it is a backport or only specific to one branch.

[jojochuang]

Please raise a PR against trunk branch instead of a specific release branch.

[github-actions]

We're closing this stale PR because it has been open for 100 days with no activity. This isn't a judgement on the merit of the PR in any way. It's just a way of keeping the PR queue manageable.
If you feel like this was a mistake, or you would like to continue working on it, please feel free to re-open it and ask for a committer to remove the stale tag and review again.
Thanks all for your contribution.