Show marker on map for preview search results in Android Auto

🚧 THIS IS A TICKET MIGRATED FROM UPVOTY. The original ticket and comments will be available for a limited time over at:
https://abrp.upvoty.com/b/request-a-feature/show-marker-on-map-for-preview-search-results-in-android-auto/
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Right now we show the results, but no marker on the map. The map still centers on the car location. We should add markers for each entry of the search result list.