KisCompositionBenchmark proposed update

Summary:
commented out benchmark does not currently work

The next changes add the requeested type objects for the specifyc tests on current API so the test can run.

Test Plan:
Only testedon OSX

all tests pass

Reviewers: Krita, dkazakov

Reviewed By: Krita, dkazakov

Subscribers: dkazakov

Tags: Krita

Differential Revision: https://phabricator.kde.org/D20416