Some of the mockplugin tests needed to be excluded from the unity build
manually. In addition, MSVC's complain about include <QtCore/QString>
instead of <QString> was addressed here since it was breaking the unity
build as well.
Some other independent executable and libraries have to be excluded
manually as well.
Pick-to: 6.5
Task-number: QTBUG-109394
Change-Id: I1f21f8484b4d3b1c399e2118ab3a71e682a3006a
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
d203f82916