Tests: Make unpacked tarball files from tests world-readable If the origin system did not have these world-readable, tests can fail to open these files during runtime. Also makes SELinux warning in multiuser mode more noticeable since permissive mode is necessary for the test to run successfully. Bug: b/403616641 Change-Id: Id23ce572d46054fea60c03cfa9c30871ab5e50dd Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6357935 Reviewed-by: Cody Northrop <cnorthrop@google.com> Auto-Submit: Renato Pereyra <renatopereyra@google.com> Reviewed-by: Roman Lavrov <romanl@google.com> Commit-Queue: Roman Lavrov <romanl@google.com>