OTT-1802: Map bidder-response params

[ashishshinde-pubm]

Please refer #927

[github-actions]

Code coverage summary

Note:

• Prebid team doesn't anticipate tests covering code paths that might result in marshal and unmarshal errors
• Coverage summary encompasses all commits leading up to the latest one, f83208a

ortbbidder

Refer here for heat map coverage report

github.com/PubMatic-OpenWrap/prebid-server/v2/adapters/ortbbidder/multi_request_builder.go:19:	parseRequest		76.9%
github.com/PubMatic-OpenWrap/prebid-server/v2/adapters/ortbbidder/multi_request_builder.go:46:	makeRequest		75.0%
github.com/PubMatic-OpenWrap/prebid-server/v2/adapters/ortbbidder/ortbbidder.go:39:		InitBidderParamsConfig	100.0%
github.com/PubMatic-OpenWrap/prebid-server/v2/adapters/ortbbidder/ortbbidder.go:45:		Builder			100.0%
github.com/PubMatic-OpenWrap/prebid-server/v2/adapters/ortbbidder/ortbbidder.go:64:		MakeRequests		100.0%
github.com/PubMatic-OpenWrap/prebid-server/v2/adapters/ortbbidder/ortbbidder.go:83:		MakeBids		100.0%
github.com/PubMatic-OpenWrap/prebid-server/v2/adapters/ortbbidder/ortbbidder.go:98:		makeBids		100.0%
github.com/PubMatic-OpenWrap/prebid-server/v2/adapters/ortbbidder/request_builder.go:32:	newRequestBuilder	100.0%
github.com/PubMatic-OpenWrap/prebid-server/v2/adapters/ortbbidder/request_builder.go:50:	getEndpoint		100.0%
github.com/PubMatic-OpenWrap/prebid-server/v2/adapters/ortbbidder/request_builder.go:62:	cloneRequest		80.0%
github.com/PubMatic-OpenWrap/prebid-server/v2/adapters/ortbbidder/request_builder.go:72:	appendRequestData	80.0%
github.com/PubMatic-OpenWrap/prebid-server/v2/adapters/ortbbidder/requestparam_mapper.go:12:	setRequestParams	100.0%
github.com/PubMatic-OpenWrap/prebid-server/v2/adapters/ortbbidder/requestparam_mapper.go:32:	addIndicesInPath	100.0%
github.com/PubMatic-OpenWrap/prebid-server/v2/adapters/ortbbidder/requestparam_mapper.go:48:	getImpExtBidderParams	100.0%
github.com/PubMatic-OpenWrap/prebid-server/v2/adapters/ortbbidder/response_builder.go:23:	newResponseBuilder	100.0%
github.com/PubMatic-OpenWrap/prebid-server/v2/adapters/ortbbidder/response_builder.go:37:	setPrebidBidderResponse	100.0%
github.com/PubMatic-OpenWrap/prebid-server/v2/adapters/ortbbidder/response_builder.go:100:	buildAdapterResponse	100.0%
github.com/PubMatic-OpenWrap/prebid-server/v2/adapters/ortbbidder/response_builder.go:116:	collectWarningMessages	100.0%
github.com/PubMatic-OpenWrap/prebid-server/v2/adapters/ortbbidder/single_request_builder.go:21:	parseRequest		77.8%
github.com/PubMatic-OpenWrap/prebid-server/v2/adapters/ortbbidder/single_request_builder.go:53:	makeRequest		91.7%
total:												(statements)		92.3%