Parent issue #13268

Merge instructions:

1. Make sure Introduce fetch jetpack capabilities endpoint WordPress-FluxC-Android#1825 is merged
2. Update FluxC hash with tag
3. Remove "Not ready for merge" label
4. Merge this PR

This PR hides the filters bar in Activity Log if

• the user is on a free plan and hasn't purchased any jetpack product
• the user is on paid plan

"Fetch Jetpack Capabilities" endpoint is used to fetch list of product the user has purchased.

To test:
Perform the following test on multiple sites, ideally on

• .com free (hidden)
• .com paid (visible)
• .com atomic (visible)
• .jetpack free (hidden)
• .jetpack paid (visible)
• .jetpack free with backup product (visible)

1. Make sure "ActivityLogFiltersFeatureConfig" is enabled
2. Open Activity log and check visibility of the filters bar

PR submission checklist:

• I have considered adding unit tests where possible.
• I have considered adding accessibility improvements for my changes.
• I have considered if this change warrants user-facing release notes and have added them to RELEASE-NOTES.txt if necessary.