Enhance layout of create note widget

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

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

    android:id="@+id/widget_create_note"

    android:layout_width="match_parent"

    android:layout_height="wrap_content"

    android:layout_gravity="center_vertical"

    android:clickable="true"

    android:orientation="vertical"

    android:padding="@dimen/widget_margin"

    android:focusable="true">

    <ImageView

    android:layout_width="wrap_content"

    android:layout_height="wrap_content"

        android:layout_gravity="center_vertical|center_horizontal"

        android:background="@drawable/ic_widget_create"

        android:contentDescription="@string/widget_create_note" />

</LinearLayout>

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    android:layout_margin="@dimen/widget_margin"

    android:clickable="true"

    android:contentDescription="@string/widget_create_note"

    android:focusable="true"

    android:src="@drawable/ic_widget_create" />

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