Async workflow request consumer manager in worker

[taylanisikdemir]

What changed?
This PR adds implementation of async workflow request consumer manager which starts/stops consumers periodically based on domain configs.

How did you test it?
Added new unit tests. Integration tests will be added in follow up PRs.

[coveralls]

Pull Request Test Coverage Report for Build 018d9f34-83b0-436c-b840-df2238cf7338

Details

• -34 of 136 (75.0%) changed or added relevant lines in 3 files are covered.
• 79 unchanged lines in 15 files lost coverage.
• Overall coverage increased (+0.04%) to 62.743%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
service/worker/asyncworkflow/async_workflow_consumer_manager.go	101	107	94.39%
common/messaging/noop_consumer.go	0	10	0.0%
service/worker/service.go	1	19	5.26%

Files with Coverage Reduction	New Missed Lines	%
service/history/queue/timer_queue_processor_base.go	1	78.23%
service/worker/service.go	1	23.99%
tools/cli/admin_db_decode_thrift.go	1	71.43%
common/cache/lru.go	2	92.89%
common/persistence/sql/common.go	2	72.73%
common/persistence/sql/sqlplugin/mysql/db.go	2	83.33%
common/persistence/sql/sqlplugin/mysql/task.go	2	73.68%
common/persistence/sql/sqlplugin/postgres/db.go	2	85.0%
common/persistence/sql/sqlplugin/postgres/task.go	2	73.4%
common/task/fifo_task_scheduler.go	2	85.57%

Totals
Change from base Build 018d9ea7-643c-4361-9ed1-29c6bbb0c8b6:	0.04%
Covered Lines:	92513
Relevant Lines:	147447

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💛 - Coveralls