osbase: move test packages under osbase/test

The cmd, freeport and socksproxy packages are only used in tests, and
are also intended to be only used in tests. This change moves these
packages under osbase/test.

Change-Id: I8fe679945990c295bdf822abfce56c25233c4588
Reviewed-on: https://review.monogon.dev/c/monogon/+/4564
Reviewed-by: Tim Windelschmidt <tim@monogon.tech>
Tested-by: Jenkins CI
diff --git a/osbase/test/qemu/BUILD.bazel b/osbase/test/qemu/BUILD.bazel
index 0145ddb..dc89881 100644
--- a/osbase/test/qemu/BUILD.bazel
+++ b/osbase/test/qemu/BUILD.bazel
@@ -15,7 +15,7 @@
         "xQEMUPath": "$(rlocationpath //build/toolchain/toolchain-bundle:qemu-kvm )",
     },
     deps = [
-        "//osbase/freeport",
+        "//osbase/test/freeport",
         "@io_bazel_rules_go//go/runfiles",
         "@org_golang_x_sys//unix",
     ],