UOE-11593: cherry-pick- InMobi: mtype support

[pm-saurabh-narkhede]

No description provided.

[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, 1ac685a

inmobi

Refer here for heat map coverage report

github.com/PubMatic-OpenWrap/prebid-server/v2/adapters/inmobi/inmobi.go:20:	Builder			100.0%
github.com/PubMatic-OpenWrap/prebid-server/v2/adapters/inmobi/inmobi.go:27:	MakeRequests		85.7%
github.com/PubMatic-OpenWrap/prebid-server/v2/adapters/inmobi/inmobi.go:60:	MakeBids		93.3%
github.com/PubMatic-OpenWrap/prebid-server/v2/adapters/inmobi/inmobi.go:94:	preprocess		93.8%
github.com/PubMatic-OpenWrap/prebid-server/v2/adapters/inmobi/inmobi.go:124:	getMediaTypeForImp	100.0%
total:										(statements)		92.3%