main/linux-lts: enable anbox support

for the 3 architectures in linux-lts supported by anbox, that is,
armv7, aarch64 and x86_64.
[ci:skip-lint]: this is not the place to fix linux-lts linting issues
7 jobs for !3848 with anbox in 1 minute and 24 seconds
latest detached
Status Job ID Name Coverage
  Lint
failed #52888
x86_64 docker-alpine allowed to fail
lint

00:00:27

 
  Build
failed #52893
aarch64 ci-build docker-alpine
build-aarch64

00:00:32

failed #52894
armv7 ci-build docker-alpine
build-armv7

00:00:39

failed #52892
ppc64le ci-build docker-alpine
build-ppc64le

00:00:54

failed #52891
s390x ci-build docker-alpine
build-s390x

00:00:44

failed #52890
x86 ci-build docker-alpine
build-x86

00:00:56

failed #52889
x86_64 ci-build docker-alpine
build-x86_64

00:00:53

 
Name Stage Failure
failed
build-ppc64le Build
No job log
failed
build-x86 Build
No job log
failed
build-x86_64 Build
No job log
failed
build-s390x Build
No job log
failed
build-armv7 Build
No job log
failed
build-aarch64 Build
No job log
failed
lint Lint
No job log