Added runtime CRI metrics (#743)
Updated apparmor profiles (#765)
Added persistent root filesystem (#767)
SHA256 sums for the files:
08376b6fd8fbea209f0845baad89853776425a0f9bd1a84a0011cb0fe13f8396 virtletctl
bafd42663996d52b86a290a8c2266b3797ec3828a4820523fb66b6e69f81cc5f virtletctl.darwin
