qs: fix network tile description

Fix period at the end of the network mobile description, ensure that there isn't
trailing whitespaces and only call one time to the cleaner method when
the description change. Clean up unused imports.

Change-Id: I9b965015e30e44efa00220e91da7e8b3e773a0f1
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
systemui: networkcontroller update default networks resources

Default network resources are locale dependent and should be update to reflect the
current user locale, if the locale changed.

Change-Id: I4688cc7132e0c0707ee30dd67ce025099655cded
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
Fix glitch appearing when using translucent system bars in landscape.

Before: http://i.imgur.com/zJCjCvx.png
After: http://i.imgur.com/v563Shz.png

Change-Id: I0580ced6dcd614239ea0815bc9943c9bbe86eb99