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

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

Change-Id: I961f6a8cc9569ad401a1df41f252325f94392350
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>