Reorder and clean up imports.

Test: rebuild
Change-Id: I178485c84ae7146f991fd77b6d7504b029942a68

src/com/android/settings/widget/ChartGridView.java

@@ -16,6 +16,8 @@
 
 package com.android.settings.widget;
 
+import static com.android.settings.Utils.formatDateRange;
+
 import android.content.Context;
 import android.content.res.ColorStateList;
 import android.content.res.Resources;
@@ -32,8 +34,6 @@ import android.view.View;
 import com.android.internal.util.Preconditions;
 import com.android.settings.R;
 
-import static com.android.settings.Utils.formatDateRange;
-
 /**
  * Background of {@link ChartView} that renders grid lines as requested by
  * {@link ChartAxis#getTickPoints()}.