wifi: Send DPP connection status result

This change is for Enrollee to send the DPP connection status
result frame to configurator. The changes includes,
1. Modified the existing onDppSuccessConfigReceived callback function
to indicate that configurator has requested for the connection status
result frame.
2. New callback function to indicate that the connection status result
frame is sent.
3. Defined connection status code.

Bug: 235844564
Test: m android.hardware.wifi.supplicant-update-api
Test: Manual - Ran DPP tests and confirmed that
      connection status frame is processed correctly
Change-Id: I45866707971c874c9270e7316a7b86fe0953d95a