PNO: Bugfixes in WifiNative

Fix coupke of bugs in the |setPnoListNative| API found in manual testing
of startPnoScan/stopPnoScan testing.

BUG: 27167559
Change-Id: I1e2f8167fbee6db2401fdc918cd46f7d9d594bff
TEST: Compiles & unit-test passes & manual testing of Scanner API
4 files changed
tree: d371c1d93680e019d6c4abb789bc57143745b958
  1. service/
  2. tests/