SysUI: Use LocationController from status bar service for GPSTile.

Change-Id: Iaf24f25432ec2238bc8b0785b78f6acb21bb78cb
Lockscreen: Fix SystemUI crash on initial selection of Custom Background.

Change-Id: I8df4984f4b90d211baa888d380a95fc00a85d1ad
Merge "SysUI: Use LocationController from status bar service for GPSTile." into cm-11.0
Merge cm 'branch cm-11.0' into dcm-wip