* [ads] Report new tab page ad metrics via confirmation with an optional fallback to P3A
* [ads] Always serve new tab page ads through the component
* [ads] Do not frequency cap last served new tab page ad
* [ads] Deprecate redundant conditon matcher code
* [ads] Transition to v4 confirmation endpoint
* [ads] Include firstTime in the confirmation payload if it is the first impression for the campaign
* [ads] Deprecate HTTP_IM_A_TEAPOT
* [ads] Do not load unnecessary resources
* [ads] Migrate P3A opted-in status
* [ads] Deprecate AdInfoMatchesSponsoredImage
* [ads] Add ad events to brave://ads-internals
* [ads] Optimize firstTime database query
* [ads] Purge ad events when opting out
* [ads] Add grace period
* [ads] General code health
* [ads] Purge Brave News ads for all users when opting out
Terry Mancey
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