Fix: QuickSettings: SysUI was FCing if no user tile has been added

Signed-off-by: Gergely Szell (sethyx) <szell@hu.ibm.com>
Fix: QuickSettings: change deprecated NfcAdapter method to the new one (caused FC on init)

Signed-off-by: Gergely Szell (sethyx) <szell@hu.ibm.com>
Fix: QuickSettings: One more NFC related NPE (FC)

Signed-off-by: Gergely Szell (sethyx) <szell@hu.ibm.com>
Fix: QuickSettings: One more NFC related NPE (FC)

Signed-off-by: Gergely Szell (sethyx) <szell@hu.ibm.com>

Conflicts:

	packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettings.java

Change-Id: I2d3d5ae6f060ef192fc057a5736e341cfcc2d3a5
Signed-off-by: iceandfire <arhamjamal@gmail.com>