Move libwifi-hal and dependencies to /vendor

Also,
Added a cleanspec to remove the library from /system for incremental
builds.

Bug: 34457880
Test: Will send for regression tests
Change-Id: I8cb2bf54dc48acb7ff9273602e89f071d3e56bb8
2 files changed
tree: 38827cf00061c24af61aabfc6dde3dc73254a487
  1. libwifi_hal/
  2. libwifi_system/
  3. service/
  4. tests/
  5. PREUPLOAD.cfg