portage: Switch sdk_to_archive over to using `mount()`
This cleans up a workaround where we were ignoring some files and
directories that were created by the container set up.
BUG=b:308661552
TEST=BOARD=brya bazel build @portage//internal/sdk/stage2:tarball
Change-Id: Ib6a1a4f38a1134fc2fce95efcd046619bd59282e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/bazel/+/5532401
Tested-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Shuhei Takahashi <nya@chromium.org>
Commit-Queue: Raul Rangel <rrangel@chromium.org>
1 file changed
