Reorder and clean up imports.

Test: rebuild
Change-Id: I178485c84ae7146f991fd77b6d7504b029942a68

src/com/android/settings/accessibility/ToggleAccessibilityServicePreferenceFragment.java

@@ -26,10 +26,8 @@ import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.pm.ResolveInfo;
 import android.net.Uri;
-import android.os.Binder;
 import android.os.Bundle;
 import android.os.Handler;
-import android.os.IBinder;
 import android.os.UserHandle;
 import android.os.storage.StorageManager;
 import android.provider.Settings;