Upgrade to nix-0.22.0.

The nix upgrade changes nix::Error to implement Into<std::io::Error>,
which removes the need for us to do that on our own.
https://github.com/nix-rust/nix/pull/1446 has more details.

Test: Build
Change-Id: Ifed70bbe1fd45bb36bb12077c4a8a6492e6f0de6
1 file changed
tree: 7e1b931bd5e9399f0cfadcd87860cfa459a8366d
  1. apex/
  2. apkdmverity/
  3. apkverify/
  4. authfs/
  5. compos/
  6. demo/
  7. docs/
  8. idsig/
  9. javalib/
  10. launcher/
  11. microdroid/
  12. microdroid_manager/
  13. tests/
  14. virtualizationservice/
  15. vm/
  16. vmconfig/
  17. zipfuse/
  18. .clang-format
  19. Android.bp
  20. OWNERS
  21. PREUPLOAD.cfg
  22. README.md
  23. TEST_MAPPING
README.md

Virtualization

This repository contains userspace services related to running virtual machines on Android, especially protected virtual machines. See the getting started documentation and Microdroid README for more information.