label extcon files am: 32efccb5f9 am: da0f7ba8f4 am: e3af942950

Original change: https://android-review.googlesource.com/c/device/google/crosshatch-sepolicy/+/1824524

Change-Id: Ib7788951e1d3ec90e0a0dd2a430f0d8dc44861ce