Add widget previews to the key guard widget picker

<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"

  android:layout_width="match_parent"

  android:layout_height="wrap_content" >

  <TextView

     android:id="@+id/icon_and_label"

  <LinearLayout

    android:layout_width="match_parent"

    android:layout_height="wrap_content"

    android:orientation="horizontal"

    android:background="@drawable/appwidget_item_bg"

    android:layout_marginTop="2dip"

    android:layout_marginBottom="2dip"

    android:layout_marginLeft="8dip"

    android:layout_marginRight="8dip"

     android:layout_marginTop="4dip"

     android:layout_marginBottom="4dip"

     android:background="@drawable/appwidget_item_bg"

     android:minHeight="?android:attr/listPreferredItemHeightSmall"

    android:paddingLeft="16dip"

    android:paddingRight="16dip"

    android:paddingTop="16dip"

    android:paddingBottom="16dip" >

      <ImageView

       android:id="@+id/icon"

       android:layout_width="@dimen/appwidget_preview_width"

       android:layout_height="@dimen/appwidget_preview_height"

       android:scaleType="center" />

      <TextView

       android:id="@+id/label"

       android:layout_width="match_parent"

       android:layout_height="match_parent"

       android:paddingLeft="24dip"

       android:paddingBottom="8dip"

       android:textAppearance="?android:attr/textAppearanceMedium"

     android:gravity="center_vertical"

     android:drawablePadding="8dip"

     android:paddingStart="11dip"

     android:paddingEnd="11dip" />

       android:gravity="left|bottom" />

  </LinearLayout>

</FrameLayout>

        android:id="@+id/layout_root"

        android:layout_width="match_parent"

        android:layout_height="match_parent"

        android:paddingTop="2dip"

        android:paddingBottom="2dip"

        android:orientation="vertical" >

  <GridView android:layout_width="match_parent"

            android:layout_height="0dp"

    <dimen name="pager_tabs_padding">0dp</dimen>

    <!-- Size of AppWidget previews in KeyguardAppWidgetPickActivity -->

    <dimen name="appwidget_preview_width">140dip</dimen>

    <dimen name="appwidget_preview_height">80dip</dimen>

</resources>