Changing the languages drag handle as per the Material Design spec

It should use 4 horizontal bars, as per Material Design spec:
    https://material.google.com/components/lists-controls.html#lists-controls-types-of-list-controls
(search for "Reorder", there is no direct link)

The new icon comes from
    https://design.google.com/icons/#ic_reorder

Bug: 30260880
Change-Id: I27a38cef864b97dd23c83cce2bb2859b268e4bd4