Don't set MAC address randomization when unsupported

Don't set MAC address randomization when unsupported

Chrome currently tries to set MAC address randomization on the
WiFi device whenever the it detects changes in the device list,
but this means it spams shill with calls and floods shill's log
with errors if the feature is unsupported. Instead, stop trying
to toggle the property when this happens.

BUG=630012
R=stevenjb@chromium.org

Review-Url: https://codereview.chromium.org/2202693005
Cr-Commit-Position: refs/heads/master@{#409388}
(cherry picked from commit ad8797fd5b55ee3aff6bf06d2a91633fc294f079)

Committed: https://chromium.googlesource.com/chromium/src/+/42f1b3e65bb437d11b965af919eba7194ee615b7

[stevenjb, 2016-08-04 00:38:54]

Description was changed from

==========
Don't set MAC address randomization when unsupported

Chrome currently tries to set MAC address randomization on the
WiFi device whenever the it detects changes in the device list,
but this means it spams shill with calls and floods shill's log
with errors if the feature is unsupported. Instead, stop trying
to toggle the property when this happens.

BUG=630012
R=stevenjb@chromium.org

Review-Url: https://codereview.chromium.org/2202693005
Cr-Commit-Position: refs/heads/master@{#409388}
(cherry picked from commit ad8797fd5b55ee3aff6bf06d2a91633fc294f079)
==========

to

==========
Don't set MAC address randomization when unsupported

Chrome currently tries to set MAC address randomization on the
WiFi device whenever the it detects changes in the device list,
but this means it spams shill with calls and floods shill's log
with errors if the feature is unsupported. Instead, stop trying
to toggle the property when this happens.

BUG=630012
R=stevenjb@chromium.org

Review-Url: https://codereview.chromium.org/2202693005
Cr-Commit-Position: refs/heads/master@{#409388}
(cherry picked from commit ad8797fd5b55ee3aff6bf06d2a91633fc294f079)

Committed:
https://chromium.googlesource.com/chromium/src/+/42f1b3e65bb437d11b965af919eb...
==========

[stevenjb, 2016-08-04 00:38:56]

Committed patchset #1 (id:1) manually as
42f1b3e65bb437d11b965af919eba7194ee615b7.