Add admin tool to decode any thrift binary into JOSN

[longquanzheng]

What changed?
Add admin tool to decode any thrift binary into JOSN

Why?

How did you test it?
Tested locally:

(qlong-admin-cli-thrift) $./cadence adm db decode_thrift -i 590a000a00000000000000820a00140000001a284aac6608001e000000170a002300000000000004d20c012c0b001400000019736f6d652072616e646f6d2074617267657420646f6d61696e0c001e0b000a0000001e736f6d652072616e646f6d2074617267657420776f726b666c6f772049440b001400000019736f6d652072616e646f6d207461726765742072756e204944000b002800000013736f6d652072616e646f6d20636f6e74726f6c020032010000
=======Decode into type shared.HistoryEvent ========
{EventId:130, Timestamp:112345132134, EventType:RequestCancelExternalWorkflowExecutionInitiated, Version:1234, RequestCancelExternalWorkflowExecutionInitiatedEventAttributes:{Domain:some random target domain, WorkflowExecution:{WorkflowId:some random target workflow ID, RunId:some random target run ID}, Control:[some random control], ChildWorkflowOnly:true}}

Potential risks

Release notes

Documentation Changes

[coveralls]

Pull Request Test Coverage Report for Build 020f0162-8860-42ec-a438-551126cdbc87

• 0 of 28 (0.0%) changed or added relevant lines in 2 files are covered.
• 94 unchanged lines in 13 files lost coverage.
• Overall coverage decreased (-0.004%) to 56.856%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
tools/cli/admin.go	0	3	0.0%
tools/cli/adminDBCleanCommand.go	0	25	0.0%

Files with Coverage Reduction	New Missed Lines	%
client/history/client.go	2	39.63%
client/history/metricClient.go	2	45.94%
common/membership/ringpop_config.go	2	81.58%
common/task/fifoTaskScheduler.go	2	87.63%
common/task/weightedRoundRobinTaskScheduler.go	2	89.64%
common/types/mapper/thrift/shared.go	2	63.43%
service/history/handler.go	2	48.42%
common/persistence/nosql/nosqlplugin/cassandra/workflow.go	3	55.49%
service/frontend/workflowHandler.go	4	58.61%
service/history/task/redispatcher.go	4	89.67%

Totals
Change from base Build 497c5879-89a5-4d38-8392-89e82f1e16e6:	-0.004%
Covered Lines:	82290
Relevant Lines:	144733

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💛 - Coveralls