The preference should be hidden if isAdbWifiQrSupported() is false.
Bug: 150163684
Bug: 149843499
Test: make RunSettingsRoboTests ROBOTEST_FILTER=AdbQrCodePreferenceControllerTest
Change-Id: I3e833440fb1a6f369ac97cec8db04f2b99dd4640
(cherry picked from commit 6178918653)
Exempt-From-Owner-Approval: cherry-pick