Mount /dev/cpuctl in ART chroot test.

This directory is needed by ArtExecTest#SetTaskProfiles.

Bug: 229268202
Test: art/tools/run-gtests.sh \
  /apex/com.android.art/bin/art/x86_64/art_libarttools_tests
Change-Id: Id05ad398dd0fbbe66a4bcacc9408245d505464b1
Merged-In: Id05ad398dd0fbbe66a4bcacc9408245d505464b1
(cherry picked from commit bfeb47a98a0cf5fef0bc7bf09acb210cd4ab6d43)
2 files changed