D11826: Simplify Term operator&& and ||

[Stefan Brüns]

bruns added a dependency: D11907: advancedqueryparsertest: Add more test.

REPOSITORY
  R293 Baloo

REVISION DETAIL
  https://phabricator.kde.org/D11826

To: bruns, #baloo
Cc: michaelh, #frameworks, ashaposhnikov, astippich, spoorun, ngraham, alexeymin