[consensus] move flag to local config

[danielxiangzl]

Description

Move the broadcast vote flag to consensus local config.

Type of Change

• New feature
• Bug fix
• Breaking change
• Performance improvement
• Refactoring
• Dependency update
• Documentation update

Which Components or Systems Does This Change Impact?

• Validator Node
• Full Node (API, Indexer, etc.)
• Move/Aptos Virtual Machine
• Aptos Framework
• Aptos CLI/SDK
• Developer Infrastructure
• Other (specify)

How Has This Been Tested?

Key Areas to Review

Checklist

• I have read and followed the CONTRIBUTING doc
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I identified and added all stakeholders and component owners affected by this change as reviewers
• I tested both happy and unhappy path of the functionality
• I have made corresponding changes to the documentation

[trunk-io]

⏱️ 4h 18m total CI duration on this PR

Job	Cumulative Duration	Recent Runs
rust-unit-tests	56m	🟩 🟩
windows-build	44m	🟩 🟩
rust-smoke-tests	39m	🟩
execution-performance / single-node-performance	22m	🟩
rust-images / rust-all	20m	🟩
rust-lints	16m	🟩 🟩
forge-e2e-test / forge	14m	🟩
forge-compat-test / forge	13m	🟩
check	8m	🟩 🟩
run-tests-main-branch	8m	🟥 🟥
cli-e2e-tests / run-cli-tests	7m	🟩
general-lints	4m	🟩 🟩
check-dynamic-deps	4m	🟩 🟩
node-api-compatibility-tests / node-api-compatibility-tests	53s	🟩
semgrep/ci	45s	🟩 🟩
file_change_determinator	19s	🟩 🟩
file_change_determinator	19s	🟩 🟩
file_change_determinator	10s	🟩
execution-performance / file_change_determinator	10s	🟩
permission-check	7s	🟩 🟩
permission-check	7s	🟩 🟩
permission-check	6s	🟩 🟩
permission-check	5s	🟩 🟩
permission-check	2s	🟩
determine-docker-build-metadata	2s	🟩

🚨 3 jobs on the last run were significantly faster/slower than expected

Job	Duration	vs 7d avg	Delta
rust-images / rust-all	20m	15m
windows-build	26m	20m
rust-smoke-tests	39m	32m

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[github-actions]

✅ Forge suite compat success on aptos-node-v1.9.5 ==> 6cc101a1b0211a718f7192d5da51cb74ed3f8975

Compatibility test results for aptos-node-v1.9.5 ==> 6cc101a1b0211a718f7192d5da51cb74ed3f8975 (PR)
1. Check liveness of validators at old version: aptos-node-v1.9.5
compatibility::simple-validator-upgrade::liveness-check : committed: 6757 txn/s, latency: 4947 ms, (p50: 4800 ms, p90: 8400 ms, p99: 9600 ms), latency samples: 236500
2. Upgrading first Validator to new version: 6cc101a1b0211a718f7192d5da51cb74ed3f8975
compatibility::simple-validator-upgrade::single-validator-upgrade : committed: 1460 txn/s, latency: 18830 ms, (p50: 19000 ms, p90: 24900 ms, p99: 25900 ms), latency samples: 73040
3. Upgrading rest of first batch to new version: 6cc101a1b0211a718f7192d5da51cb74ed3f8975
compatibility::simple-validator-upgrade::half-validator-upgrade : committed: 138 txn/s, submitted: 526 txn/s, expired: 387 txn/s, latency: 40026 ms, (p50: 38500 ms, p90: 57200 ms, p99: 57300 ms), latency samples: 10562
4. upgrading second batch to new version: 6cc101a1b0211a718f7192d5da51cb74ed3f8975
compatibility::simple-validator-upgrade::rest-validator-upgrade : committed: 2165 txn/s, latency: 13726 ms, (p50: 15100 ms, p90: 16300 ms, p99: 17500 ms), latency samples: 97460
5. check swarm health
Compatibility test for aptos-node-v1.9.5 ==> 6cc101a1b0211a718f7192d5da51cb74ed3f8975 passed
Test Ok

• Grafana dashboard
• Humio Logs
• Axiom Logs
• Test runner output
• Test run is land-blocking

[github-actions]

✅ Forge suite realistic_env_max_load success on 6cc101a1b0211a718f7192d5da51cb74ed3f8975

two traffics test: inner traffic : committed: 7660 txn/s, latency: 5116 ms, (p50: 4800 ms, p90: 6000 ms, p99: 13200 ms), latency samples: 3309520
two traffics test : committed: 100 txn/s, latency: 1887 ms, (p50: 1800 ms, p90: 2100 ms, p99: 6100 ms), latency samples: 1820
Latency breakdown for phase 0: ["QsBatchToPos: max: 0.220, avg: 0.204", "QsPosToProposal: max: 0.340, avg: 0.269", "ConsensusProposalToOrdered: max: 0.471, avg: 0.427", "ConsensusOrderedToCommit: max: 0.330, avg: 0.310", "ConsensusProposalToCommit: max: 0.777, avg: 0.736"]
Max round gap was 1 [limit 4] at version 1522305. Max no progress secs was 6.110302 [limit 15] at version 1522305.
Test Ok

• Grafana dashboard
• Humio Logs
• Axiom Logs
• Test runner output
• Test run is land-blocking