Mount /dev/cpuctl in ART chroot test. am: 15f888e4a5 am: 12fe9998fb am: d64ad1bbe3 am: dc30db8e3e

Original change: https://android-review.googlesource.com/c/platform/art/+/2170362

Change-Id: I4c601aae7ff5a1014183d902844cf362d89c6396
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>