RestrictedLockUtils was split into ...Internal

This means that in some cases RestrictedLockUtils has to be used and in
some RestrictedLockUtilsInternal.

This causes a lot of trivial code changes.

I also updated the ordering of the imports in all affected files.

Bug: 110953302
Test: Built
      make -j RunSettingsRoboTests
Change-Id: I9bdf8b89134f853bae4f38c81af436715c73e924

src/com/android/settings/network/MobileNetworkPreferenceController.java

@@ -36,7 +36,7 @@ import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.FeatureFlags;
 import com.android.settings.core.PreferenceControllerMixin;
-import com.android.settingslib.RestrictedLockUtils;
+import com.android.settingslib.RestrictedLockUtilsInternal;
 import com.android.settingslib.RestrictedPreference;
 import com.android.settingslib.Utils;
 import com.android.settingslib.core.AbstractPreferenceController;
@@ -84,7 +84,7 @@ public class MobileNetworkPreferenceController extends AbstractPreferenceControl
 
     public boolean isUserRestricted() {
         return mIsSecondaryUser ||
-                RestrictedLockUtils.hasBaseUserRestriction(
+                RestrictedLockUtilsInternal.hasBaseUserRestriction(
                         mContext,
                         DISALLOW_CONFIG_MOBILE_NETWORKS,
                         myUserId());