Revert "Reset SYSTEM_FIXED flags for hard restricted perms"

This reverts commit 3c2731fdce14bf99a043e8c4bd214fd6fb11160f.

Reason for revert: This was only needed to unbreak internal dogfooding

Test: This is a clean revert
Bug: 134161027
Change-Id: I309bc5158190da71fc0ba867a5d15c6260623ed5
1 file changed