Moves custom crates to nativelink dirs for disambiguation

[MarcusSorealheis]

Description

Two crates, error and proto needed to be moved into nativelink specific dirs.

Type of change

Rename

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to
  not work as expected)
• This change requires a documentation update

Checklist

• PR is contained in a single commit, using git amend see some docs

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This change is 

[aaronmondal]

With this, occurrences of proto:: and error:: need to be changed to nativelink_proto:: and nativelink_error::.

Reviewable status: 0 of 31 files reviewed, all discussions resolved

[MarcusSorealheis]

Addressed this

Reviewable status: 0 of 110 files reviewed, all discussions resolved

[aaronmondal]

Mostly LGTM, but I thinkg you need to run

  bazel run \
    --@rules_rust//:rustfmt.toml=//:.rustfmt.toml \
    @rules_rust//:rustfmt

To reorder the imports.

Reviewed 30 of 31 files at r1, 80 of 80 files at r2, all commit messages.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @MarcusSorealheis)

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-- commits line 2 at r2:
nit: Try to remember to capitalize the initial letter and remove the trailing period on merge.

[aaronmondal]

Reviewed 79 of 79 files at r3, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @MarcusSorealheis)

[aaronmondal]

It's ok to merge this. Ignore the failing proto test. I can send a fix for that immediately after this PR is merged.

Reviewed 6 of 14 files at r4, 1 of 8 files at r5, 1 of 1 files at r6, 4 of 4 files at r7, all commit messages.
Reviewable status: 126 of 132 files reviewed, all discussions resolved (waiting on @allada)