Ensure that we always notify observers about data sources stopping. Currently if you unregister a data source this does not call NotifyStateChange if we have a consumer that is observing events. Change-Id: I19b447fd60b61993ac61b4669989f57cfe8a64d8
Perfetto is an open-source project for performance instrumentation and tracing of Linux/Android/Chrome platforms and user-space apps.
See www.perfetto.dev for docs.