[TOFU] Implement a secure TOFU flow am: d135643093

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Wifi/+/21788654

Change-Id: I7c2de23f1685b0392e93187c630681dc5cceb1fd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>