Merge "mtpd: switch OWNERS to core networking" am: 54d99ce67f am: 66342cbc28 am: 3e92ced976

Original change: https://android-review.googlesource.com/c/platform/external/mtpd/+/1976871

Change-Id: I5f1478fb6e2837e92940e970dc3c2337194656cb