wifi: set join to true in p2p connect tests am: 85866568 am: 6240c899

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



Change-Id: Id60535e477c51f8d955e8f2a111355272a7d576f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>