[improve][broker] PIP-192 Moved the common broker load data feature(weightedMaxEMA) to BrokerLoadData

[heesung-sn]

Master Issue: apache#16691

Motivation

We will start raising PRs to implement PIP-192, apache#16691

Modifications

This PR moved the common broker load data feature(weightedMaxEMA) to BrokerLoadData.

As weightedMaxEMA is available in the BrokerLoadData by this change, this PR

• removed brokerAvgResourceUsageWithWeight in LeastResourceUsageWithWeight -- we don't need to separately compute and store weightedMaxEMA in LeastResourceUsageWithWeight and TransferShedder.

• refactored BrokerLoadData to precompute the load data features.

• updated the unit tests.

Verifying this change

• Make sure that the change passes the CI checks.

This change added tests and can be verified as follows:

• *Added unit tests for the new classes.

Does this pull request potentially affect one of the following parts:

If the box was checked, please highlight the changes

• Dependencies (add or upgrade a dependency)
• The public API
• The schema
• The default values of configurations
• The threading model
• The binary protocol
• The REST endpoints
• The admin CLI options
• Anything that affects deployment

Documentation

• doc
• doc-required
• doc-not-needed
• doc-complete

We will have separate PRs to update the Doc later.

Matching PR in forked repository

PR in forked repository: #20