Sort imports

Having consistent import order will reduce chance of merge
conflict between internal and external master

Test: rebuild
Change-Id: I0b1a170967ddcce7f388603fd521f6ed1eeba30b

src/com/android/settings/vpn2/LegacyVpnPreference.java

@@ -22,11 +22,11 @@ import android.content.Context;
 import android.text.TextUtils;
 import android.view.View;
 
+import androidx.preference.Preference;
+
 import com.android.internal.net.VpnProfile;
 import com.android.settings.R;
 
-import androidx.preference.Preference;
-
 /**
  * {@link androidx.preference.Preference} tracks the underlying legacy vpn profile and
  * its connection state.