Modifying WiFiInterop to work with Chaos Lab

Adding code to interopt test to connect to AP's defined in a configuration
file with wire tracing simultaneously occuring.  Any failure to connect
to an AP will copy the files to the autotest logs.

BUG=None
TEST=Run the test.  It should attemtpt to connect to AP's in the chaos lab.

Change-Id: I92d8b35f46b533d82f108f59fdb55292dbb52dcc
Reviewed-on: https://gerrit.chromium.org/gerrit/38391
Commit-Ready: Stanley Wong <stanleyw@chromium.org>
Reviewed-by: Stanley Wong <stanleyw@chromium.org>
Tested-by: Stanley Wong <stanleyw@chromium.org>
5 files changed