framework/base: adds gps icon to status bar only if location provider option...

framework/base: adds gps icon to status bar only if location provider option is enabled in the UI settings.

This reduces system server wakeupevents when gps is not used and also in idle power collapse.

Change-Id: I914bf2fa4ce9e064a0500feed4c3dbc6cc7330bf
CRs-fixed: 227371