We had two workarounds:
* script that adds Gui to tests
* create a symbolic link for the qt install dir to fake_prefix which
androiddelployqt was expecting them to be under
Both issues are fixed, thus removing the workarounds.
Pick-to: 6.1 6.0
Change-Id: Ic022bece15afe92c693d573893d260b13b4227ed
Reviewed-by: Heikki Halmet <heikki.halmet@qt.io>