Blacklist p2p0 for ADB hosts in WiFi tests

This interface is used for WiFi Direct rather than normal WiFi
operations.  We should blacklist it during tests against ADB hosts.

BUG=chromium:346347
TEST=None

Change-Id: Ie898227b6f74f23daa2611dd70e779a4ae20339d
Reviewed-on: https://chromium-review.googlesource.com/187724
Tested-by: Christopher Wiley <wiley@chromium.org>
Reviewed-by: Paul Stewart <pstew@chromium.org>
Commit-Queue: Christopher Wiley <wiley@chromium.org>
1 file changed