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/fuelgauge/batterytip/tips/RestrictAppTip.java

@@ -22,6 +22,8 @@ import android.icu.text.ListFormatter;
 import android.os.Parcel;
 import android.util.Pair;
 
+import androidx.annotation.VisibleForTesting;
+
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
 import com.android.settings.Utils;
@@ -31,8 +33,6 @@ import com.android.settingslib.core.instrumentation.MetricsFeatureProvider;
 import java.util.ArrayList;
 import java.util.List;
 
-import androidx.annotation.VisibleForTesting;
-
 /**
  * Tip to suggest user to restrict some bad apps
  */