Move user file along to the new package name am: 578c0d3186

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/libcxx/+/19037861

Change-Id: I0fd8868b42c0278defa8a1cf0a366d790263dd8c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>