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/PowerGaugePreference.java

@@ -22,12 +22,12 @@ import android.graphics.drawable.Drawable;
 import android.util.AttributeSet;
 import android.widget.TextView;
 
+import androidx.preference.PreferenceViewHolder;
+
 import com.android.settings.R;
 import com.android.settings.Utils;
 import com.android.settings.widget.AppPreference;
 
-import androidx.preference.PreferenceViewHolder;
-
 /**
  * Custom preference for displaying battery usage info as a bar and an icon on
  * the left for the subsystem/app type.