[Passpoint] Clear ANQP cache and requests during factory reset

Clear ANQP cache and requests during factory reset.

Bug: 149866949
Test: atest WifiServiceImplTest AnqpCacheTest
Test: Perform factory reset and confirm ANQP cache and requests are
emptied.

Change-Id: I3cf7c9bda3a0cd51944aa384a50fe14d6370a612
6 files changed
tree: 406090a9a50a83d44e9889d357b9448fecef5cb9
  1. apex/
  2. service/
  3. PREUPLOAD.cfg