Late July Artifact Wave

We have lots of stable releases this time, including Activity, Core, CustomView, Lifecycle, MediaRouter, Navigation, ProfileInstaller, and Room:

In addition, Compose, Fragment, and Wear Compose shipped stable and alpha releases:

AppCompat, Emoji2, and ShareTarget have new RCs:

We have a new beta for Wear Tiles:

And new alphas include Annotation, Benchmark, Camera, Car, Collection, Health, Metrics, Tracing, and Window:

Note that we have a few new artifacts for Tracing: