wpa_supplicant: P2P-related fixes

- P2P: Show own channel list in debug log
- P2P: Allow peer to propose channel in invitation process
- P2P: Clear sta_scan_pending on group removal
- P2P: Fix ignoring of PD Response due to dialog token mismatch

BUG: 7226065, 7231289

Change-Id: Iacb0f85d80f63bcdf311ccc0d29d0c282a0c0576
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
6 files changed