fix(bazel): move bazel managed runtime deps for downstream usage

[alan-agius4]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/angular/angular/blob/master/CONTRIBUTING.md#commit
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

[x] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[ ] Documentation content changes
[ ] angular.io application / infrastructure changes
[ ] Other... Please describe:

What is the current behavior?

At the moment downstream (NG CLI) we are having this error

ERROR: /home/circleci/ng/etc/api/BUILD:3:2: no such package '@ts-api-guardian_runtime_deps//': The repository could not be resolved and referenced by '//etc/api:angular_devkit_architect_testing_api.accept'

What is the new behavior?

Move mananged runtime deps into ng_setup_workspace

Does this PR introduce a breaking change?

[ ] Yes
[X] No

//cc @alexeagle

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