IPv6 addresses should not be selectable.

Disable selectable when adding ipv6 addresses to the
WifiNetworkDetailsPage.

Bug: b/37351354
Test: make RunSettingsRoboTests
Change-Id: I79bc3dcab7339df96598aa1a6505f0148f8844b0

src/com/android/settings/wifi/details/WifiDetailPreferenceController.java

@@ -301,6 +301,7 @@ public class WifiDetailPreferenceController extends PreferenceController impleme
                 Preference pref = new Preference(mPrefContext);
                 pref.setKey(ip);
                 pref.setTitle(ip);
+                pref.setSelectable(false);
                 mIpv6AddressCategory.addPreference(pref);
                 mIpv6AddressCategory.setVisible(true);
             }