Now that we have the address arbiter extracted to its own class, we can
fix an innaccuracy with the kernel. Said inaccuracy being that there
isn't only one address arbiter. Each process instance contains its own
AddressArbiter instance in the actual kernel.

This fixes that and gets rid of another long-standing issue that could
arise when attempting to create more than one process.

Similar to how WaitForAddress was isolated to its own function, we can
also move the necessary conditional checking into the address arbiter
class itself, allowing us to hide the implementation details of it from
public use.

Rather than let the service call itself work out which function is the
proper one to call, we can make that a behavior of the arbiter itself,
so we don't need to directly expose those implementation details.

web_browser: Add shortcut to Enter key to exit applet

kernel/client_session, kernel/server_session: Make data members private

yuzu: add a hotkey to switch between undocked and docked mode

service/audio/audout_u: Only actually stop the audio stream in StopAudioOut if the stream is playing

Asynchronous GPU command processing

service/audio/audout_u: Only actually stop the audio stream in StopAudioOut if the stream is playing

The service itself only does further actions if the stream is playing.
If the stream is already stopped, then it just exits successfully.

 gl_rasterizer_cache: Move format conversion functions to their own file 

core/hle/ipc: Remove unnecessary includes

core: Remove the global telemetry accessor function

kernel/address_arbiter: Convert the address arbiter into a class

hle/service/audio/audout_u: Correct lack of return in failure case of AppendAudioOutBufferImpl()

yuzu/debugger/wait_tree: Remove use of global CurrentProcess accessor

Previously we were overwriting the error case with a success code
further down (which is definitely not what we should be doing here).

svc: Move memory range checking functions to the VMManager class

hle/service/audio: Extract audio error codes to a header

video_core/engines: Remove unnecessary includes

{kernel/thread, video_core/surface}: Remove obsolete TODOs

We already have the thread instance that was created under the current
process, so we can just pass the handle table of it along to retrieve
the owner of the mutex.

Removes a few unnecessary dependencies on core-related machinery, such
as the core.h and memory.h, which reduces the amount of rebuilding
necessary if those files change.

This also uncovered some indirect dependencies within other source
files. This also fixes those.

Makes it much nicer to locally reason about server session behavior, as
part of its functionality isn't placed around other classes.

These can be made private, as they aren't accessed in contexts that
require them to be public.

Places all error codes in an easily includable header.

This also corrects the unsupported error code (I accidentally used the
hex value when I meant to use the decimal one).

Allows getting rid of reliance on the global accessor functions and
instead operating on the provided system instance.

- Invert conditions into guard clases where applicable.
- Mark std::vector parameter of WakeThreads as const

Places all of the functions for address arbiter operation into a class.
This will be necessary for future deglobalizing efforts related to both
the memory and system itself.

This isn't needed anymore, according to Hexagon