Fix path appending in copy_extra_files am: 20c3738752 Original change: https://googleplex-android-review.googlesource.com/c/platform/external/python/cpython3/+/38396977 Change-Id: If41847826ccaf98d599d5788dfc4ddd27a5a08d5 Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>