Revert "libprocessgroup users use libcutils"

This reverts commit 1ec3b78b6739caf0d855048a304c70349611a9b0.

Reason for revert: breaks all camera use cases

Bug: 135568875

Exempt-From-Owner-Approval: revert, no build cop

Change-Id: Iec8e1f94f5bedced3f3faf73f851fd2f13e2e768
3 files changed