Merge "Add tooltip for the search button in SearchView"

        android:layout_height="match_parent"

        android:layout_gravity="center_vertical"

        android:focusable="true"

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

        android:contentDescription="@string/searchview_description_search"

        android:tooltipText="@string/searchview_description_search" />

    <LinearLayout

        android:id="@+id/search_edit_frame"