Improve definition for cross-cluster related endpoints

[yycptt]

What changed?

• Proto change for Improve definition for cross-cluster related endpoints cadence-idl#78
• Update internal types and mappers accordingly

Why?

• Improve the contract between source and target cluster for fetching/responding cross cluster tasks

How did you test it?

• Unit tests

Potential risks

Release notes

Documentation Changes

[demirkayaender]

looks good to me

[coveralls]

Pull Request Test Coverage Report for Build d2ffe53b-44f8-4fe0-836e-b8c19ff965ff

• 50 of 195 (25.64%) changed or added relevant lines in 5 files are covered.
• 37 unchanged lines in 13 files lost coverage.
• Overall coverage decreased (-0.02%) to 59.747%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
common/types/mapper/proto/shared.go	40	54	74.07%
common/types/shared.go	0	59	0.0%
common/types/mapper/thrift/shared.go	0	72	0.0%

Files with Coverage Reduction	New Missed Lines	%
common/task/weightedRoundRobinTaskScheduler.go	1	89.64%
host/archivalTest.go	1	97.81%
service/history/queue/timer_queue_processor_base.go	1	78.6%
client/history/client.go	2	40.34%
client/history/metricClient.go	2	47.05%
common/persistence/historyManager.go	2	66.33%
common/task/parallelTaskProcessor.go	2	92.48%
service/history/execution/mutable_state_builder.go	2	69.87%
service/history/handler.go	2	46.0%
common/task/fifoTaskScheduler.go	3	84.54%

Totals
Change from base Build dcdcb324-2af1-440e-99e9-108c15c176f4:	-0.02%
Covered Lines:	90453
Relevant Lines:	151394

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💛 - Coveralls