[media][tests][e2e] VAD: correct async dispatch

To address code review feedback, with this CL the control driver
stores the default async_dispatcher at the time the FIDL interface
request is received. Starting with the Enable and Disable, we begin
to use it to deliver completion callbacks on the primary dispatcher
thread (rather than arbitrary context, previously _assumed_ to be
the primary thread).

Although it is an important part of our e2e testing efforts, the VAD
is test-only; this CL contains no product changes.

Test: build, CQ, overnight loops on various QEMU flavors (debug and
release) and NUC.

Change-Id: I138ee2148c6f6072d781ecd43f5d5f3954fdd615
10 files changed
tree: b79693a2a547048e3962face575878db00020672
  1. boards/
  2. build/
  3. buildtools/
  4. bundles/
  5. docs/
  6. examples/
  7. garnet/
  8. peridot/
  9. products/
  10. scripts/
  11. sdk/
  12. src/
  13. third_party/
  14. tools/
  15. zircon/
  16. .clang-format
  17. .dir-locals.el
  18. .gitattributes
  19. .gitignore
  20. .gn
  21. AUTHORS
  22. BUILD.gn
  23. CODE_OF_CONDUCT.md
  24. CONTRIBUTING.md
  25. LICENSE
  26. OWNERS
  27. PATENTS
  28. README.md
  29. rustfmt.toml
README.md

Fuchsia

Pink + Purple == Fuchsia (a new operating system)

What is Fuchsia?

Fuchsia is a modular, capability-based operating system. Fuchsia runs on modern 64-bit Intel and ARM processors.

Fuchsia is an open source project with a code of conduct that we expect everyone who interacts with the project to respect.

How can I build and run Fuchsia?

See Getting Started.

Where can I learn more about Fuchsia?

See the documentation.