libselinux: migrate to upstream libselinux

Move from the Android fork of libselinux to the upstream version
which already lives in external/selinux/libselinux.

Test: Angler builds and boots
Bug: 31910164
Change-Id: Ie8617b8dba13555d178b5730fcfa5370c52eb5db
1 file changed
tree: cf65e0d189ab8ca0b4a2c0606bd59c9fa2ab82e3
  1. include/
  2. src/
  3. utils/
  4. MODULE_LICENSE_PUBLIC_DOMAIN
  5. NOTICE
  6. README.android