wifi: set join to true in p2p connect tests am: 858665687d am: 6240c899f0

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2743883

Change-Id: I6cb70e72fe00596fea5f62afd0a441a3f343db93
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>