The two benchmarks graphicslayout and graphicslinearlayout were
disabled for some time. Fixed the compile errors and readded them so
there is at least no bitrotting.
Task-number: QTBUG-27461
Change-Id: Ib0c878e97693c0ad3bf87e658d493da61f5174ee
Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@qt.io>
Move all widget-dependent benchmarks which were still in gui
subdirectory to widgets
Task-number: QTBUG-23129
Change-Id: I1359f1ea4036cacdfdbe08ff9ecdf1e2c75a005b
Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@qt.io>