Revert "SELinux: su: update policies"

This reverts commit 34dbb533011be4a92bee871b9248ea42e51de4bd.

Change-Id: Ic4d52c2d3627ffe940c13362d3e040c369f28ae2
Merge "Revert "SELinux: su: update policies"" into lp5.0
Merge remote-tracking branch 'Slim/lp5.0' into lp5.0