Merge "Instead of including wifi_hal.h in the legacy_hal namespace, import the types." am: ec203cf2fb am: d3840e5d84

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1535575

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I6594e86db62b1651147e4137397724e10006f8df