Add dev option for enhanced mac randomization

This toggle will affect client mode mac randomization only.
When toggled on, during association to networks that have MAC
randomization turned on, a more random MAC (as opposed to persistent
MAC per-network) would be used.

Bug: 151983183
Test: Manual
Change-Id: I4affade362644037e649ac6cf93e6871a81058bc

src/com/android/settings/development/DevelopmentSettingsDashboardFragment.java

@@ -462,6 +462,7 @@ public class DevelopmentSettingsDashboardFragment extends RestrictedDashboardFra
         controllers.add(new WifiDisplayCertificationPreferenceController(context));
         controllers.add(new WifiVerboseLoggingPreferenceController(context));
         controllers.add(new WifiScanThrottlingPreferenceController(context));
+        controllers.add(new WifiEnhancedMacRandomizationPreferenceController(context));
         controllers.add(new MobileDataAlwaysOnPreferenceController(context));
         controllers.add(new TetheringHardwareAccelPreferenceController(context));
         controllers.add(new BluetoothDeviceNoNamePreferenceController(context));