enhance compaction filter context

[hicqu]

This PR add some new fields into CompactionFilterContext:

• table_properties: a vector of TableProperties for all involved SST files
• file_numbers: a vector of file number for all involved SST files
• bottommost_level: indicates whether the target level is the bottommost one or not

[facebook-github-bot]

Hi @hicqu!

Thank you for your pull request and welcome to our community. We require contributors to sign our Contributor License Agreement, and we don't seem to have you on file.

In order for us to review and merge your code, please sign at https://code.facebook.com/cla. If you are contributing on behalf of someone else (eg your employer), the individual CLA may not be sufficient and your employer may need to sign the corporate CLA.

If you have received this in error or have any questions, please contact us at [email protected]. Thanks!

[hicqu]

I have signed the CLA after the checker reported a failure. Anyone can help me to rerun it?

[bigfootjon]

@hicqu, we have no record of you signing the CLA. Please fill out the form again