[no-op] Switch selinux enforcement on

BUG: 28053261
Test: TreeHugger
Change-Id: Idf858a12714798e12235aecd3c342a014ef25861
Test: Local build and boot
tree: 8d0c764c08978ba4859bf0ad0b8d6d0ac1ba6a39
  1. common/
  2. guest/
  3. host/
  4. tests/
  5. tools/
  6. Android.bp
  7. Android.mk
  8. OWNERS
  9. TEST_MAPPING