Install libicu-dev and libxcb-icccm4-dev only to ci ubuntus

Dev packages causes wrong dependences into system libraries when making
releases.

Change-Id: I48c5963df38d18884b8e6385db4cfb08d15013a4
Reviewed-by: Iikka Eklund <iikka.eklund@digia.com>
Reviewed-by: Tony Sarajärvi <tony.sarajarvi@digia.com>