Fix import statements in android.widget package.

Additionally this CL removes spaces at the end of the line.

Test: code still compiles.
Change-Id: I1ce98b4e70aa3ae614f87966c3bc6181fa4389a4
diff --git a/core/java/android/widget/Switch.java b/core/java/android/widget/Switch.java
index d51c5be..fcc1667 100644
--- a/core/java/android/widget/Switch.java
+++ b/core/java/android/widget/Switch.java
@@ -30,8 +30,8 @@
 import android.graphics.Paint;
 import android.graphics.PorterDuff;
 import android.graphics.Rect;
-import android.graphics.Typeface;
 import android.graphics.Region.Op;
+import android.graphics.Typeface;
 import android.graphics.drawable.Drawable;
 import android.text.Layout;
 import android.text.StaticLayout;
@@ -46,8 +46,8 @@
 import android.view.MotionEvent;
 import android.view.SoundEffectConstants;
 import android.view.VelocityTracker;
-import android.view.ViewStructure;
 import android.view.ViewConfiguration;
+import android.view.ViewStructure;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityNodeInfo;