The following commits were cherry-picked from internal master to AOSP,
but to avoid merge-conflicts we'll do a large diff instead of individual
cherry-picks:
521742e9799aefc916f53686efcadbde51e7decefff3fe2f08
Bug: 37916906
Test: angler builds and boots.
Merged-In: Ie010cc12ae866dbb97c387471f433158d3b699f3
Change-Id: I5126ebe88b9c76a74690ecf95851d389cfc22d1f
Copy the final system sepolicy from oc-dev to its prebuilt dir
corresponding to its version (26.0) so that we can uprev policy and
start maintaining compatibility files, as well as use it for CTS
tests targeting future platforms.
(cherry-pick of commit: 5c6a227ebb)
Bug: 37896931
Bug: 37916906
Test: none, this just copies the old policy.
Change-Id: Ib069d505e42595c467e5d1164fb16fcb0286ab93