WifiStateMachine: add delete config helper method

In preparation for handing config remove/forget commands when
WifiStateMachine is in any state (ie, not just connect mode), create a
helper method to call WifiConfigManager to delete the configs and send
the proper message reply.

Bug: 32809235
Test: frameworks/opt/net/wifi/tests/wifitests/runtests.sh
Test: frameworks/base/wifi/tests/runtests.sh
Change-Id: Id5c1d2f2e65b2166ff1f14183aa448c00504114f
2 files changed
tree: aa0a32762fc356991d6aa3ca26c41ce5c670ff76
  1. libwifi_hal/
  2. libwifi_system/
  3. service/
  4. tests/
  5. PREUPLOAD.cfg