testing/chromium-ozone: new aport

This is mostly copy-pasted from community/chromium, but it enables ozone [1]
to allow chromium to be run natively on both X and Wayland.

[1]: https://chromium.googlesource.com/chromium/src/+/master/docs/ozone_overview.md
7 jobs for !8304 with chromium-ozone in 60 minutes and 27 seconds
latest detached
Status Job ID Name Coverage
  Lint
failed #124510
x86_64 docker-alpine allowed to fail
lint

00:00:26

 
  Build
failed #124515
aarch64 ci-build docker-alpine
build-aarch64

01:00:01

failed #124516
armv7 ci-build docker-alpine
build-armv7

01:00:00

failed #124514
ppc64le ci-build docker-alpine
build-ppc64le

00:00:45

passed #124513
s390x ci-build docker-alpine
build-s390x

00:00:31

passed #124512
x86 ci-build docker-alpine
build-x86

00:00:23

passed #124511
x86_64 ci-build docker-alpine
build-x86_64

00:43:16

 
Name Stage Failure
failed
build-aarch64 Build The script exceeded the maximum execution time set for the job
No job log
failed
build-armv7 Build The script exceeded the maximum execution time set for the job
No job log
failed
build-ppc64le Build
No job log
failed
lint Lint
No job log