wifi: handle association failed in driver

Currently, there is no notification from supplicant to
framework when association failure on driver layer.

In this commit we report the association failure with
status code (WLAN_STATUS_UNSPECIFIED_FAILURE) to framework.
Hence, framework can handle association failure on driver.

Bug: 169770508
Test: manually.
      Force driver return association failure and
      check framework is able to handle it.
Change-Id: Id539ede2da7028dbd08d86d62aa5d3329fc48e42
1 file changed