WifiConfigManager: Add quotes back for psk

For user's who lost the quotes around their ASCII psk passphrase, add
them back to be backward compatible.

Bug: 36008106
Test: Unit tests
Test: Verified manually updating a device which had previously
lost it's quotes around psk.
Change-Id: I6ef8ea2059ff044ba9e57d46bb50aa5ee7dcad9b
2 files changed
tree: 86506f54c8dfae08b572a6f62be97d3c2fe17fe8
  1. libwifi_hal/
  2. libwifi_system/
  3. service/
  4. tests/
  5. PREUPLOAD.cfg