Merge "Add Wifi HAL supplicant AIDL interface definitions." am: a798cf2c63 am: dc3be74728 am: 7b93d69e16 am: edfe1d1472

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1916957

Change-Id: I6ee09e3a6fc7d1c737c6589f49f4b1c7bd29db7f