feat(core): programmatic setting of authz policy #6663

Job	Run time
image build	1m 40s
integration tests	3m 59s
otdfctl e2e tests	3m 47s
Protocol Buffer Lint and Gencode Up-to-date check	13s
go (examples)	47s
go (sdk)	1m 40s
license check	52s
go (service)	2m 58s
go (lib/ocrypto)	38s
go (lib/fixtures)	35s
go (lib/flattening)	33s
platform-xtest / cross-client-test	9m 57s
ci	1s
	27m 40s

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