Google has reportedly informed developers that it will introduce a new setting in Android that allows users to suspend Advertiser ID sharing across apps. The measure might boost privacy, although some app-makers might argue that it might also increase the risk of certain frauds, as well as revenue loss. Nonetheless, the changes are slated to start taking effect from late 2021.
https://www.notebookcheck.net/Google-announces-its-answer-to-App-Tracking-Transparency-on-iOS.543609.0.html