Adding is_visibility_supported method to ap configurator
Check if the AP supports visibility before setting it

Test=None
Bug=chromium: 232211

Change-Id: Ic363e441484d70032bbafc1331fd9b2296952b44
Reviewed-on: https://gerrit.chromium.org/gerrit/50724
Reviewed-by: Kris Rambish <krisr@chromium.org>
Commit-Queue: Bimal Gadhavi <bgadhavi@chromium.org>
Reviewed-by: Bimal Gadhavi <bgadhavi@chromium.org>
Tested-by: Bimal Gadhavi <bgadhavi@chromium.org>
10 files changed