Relax neverallow rule for loading an updated SELinux policy.

Revert the neverallow change portion of
356df32778732aa576e15071bf2736fbbd778b77, in case others need to
do dynamic policy updates.

(cherrypicked from commit e827a8ab27020be0f266a5a6083b11308fe1a349)

Bug: 22885422
Bug: 8949824
Change-Id: If0745e7f83523377fd19082cfc6b33ef47ca0647
2 files changed