WifiSoftApTest: Use WIFI_STATE_CHANGED broadcast

Add a utility method to wait for wifi state change. This utility uses
WIFI_STATE_CHANGED broadcast instead of
SUPPLICANT_CONNECTION_STATE_CHANGED broadcast.

Bug:79475482
Test: Ran `act.py -c softap.config -tb dut-name -tc WifiSoftApTest`
Change-Id: I7989cf699e5f937117a181630311da2de3b7f7e1
2 files changed
tree: ef165884aea3e9b72b472e4352eb8eea8fd0f44b
  1. acts/
  2. tools/
  3. wts-acts/
  4. Android.mk
  5. PREUPLOAD.cfg