SystemUI: Make QS tile reset more user friendly

By not closing the QS and allowing further editing

Change-Id: Ia8ebeeed7b72aa8d017a892c5978ffad3a4f8ac8
Merge "SystemUI: Make QS tile reset more user friendly" into android-4.4
Merge remote-tracking branch 'cm/android-4.4' into android-4.4