[chore] Migrate aerospike receiver to new integration test framework

[djaglowski]

Follows #22104

This test is particularly complicated because of the setup involved. The following notable changes were made:

• Separate the populateMetrics function into:
  1. A wait strategy which just checks that a client can be created
  2. A post-start hook that populates the system
• Remove testing.T from populateMetrics, instead returning an error.
  • This is necessary in order to allow container creation to be retryable.

This is the final component using scraperinttest.EqualsLatestMetrics, so allows for removal of that function as well.