You can use "adb shell dumpsys activity" to get an overview of the processes and activities running in them; "adb shell dumpsys activity.services" for the running services and which processes they are running in. That tells you the dynamic state. To tell what could potentially run in it, you'll need to look at the manifests of the .apks on the device to find the ones that use a shared uid with the process and specify they will run in that process.
And as Romain says, you really shouldn't be adding things to that process.
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Dianne Hackborn
Android framework engineer
hac...@android.comNote: please don't send private questions to me, as I don't have time to provide private support. All such questions should be posted on public forums, where I and others can see and answer them.