CtsShim and CtsPrivShim moved out of system am: 834043e801 am: 513d9b9aed am: 349a56e63f am: 7c2a4a0b6c

Original change: https://googleplex-android-review.googlesource.com/c/device/google/atv/+/11897681

Change-Id: I38b832c7ff8347231442335965ff8add4c3785f4