Use PRODUCT_COPY_FILES to install uwb country files am: 4a96299e45

Original change: https://android-review.googlesource.com/c/device/google/raviole/+/2776726

Change-Id: Id38841d95d113621bb46f72da01707318847588e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>