The qmlqtimeexampleplugin exists as a target name both in examples and
in a test; rename the one from the test.
Change-Id: I21b68f7d6228ceaee49ba28e55516b5b10ffce3a
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>