D28808: [ExpandableListItem] make it touch-friendly

[Niccolò Venerandi]

niccolove added a reviewer: niccolove.

REPOSITORY
  R242 Plasma Framework (Library)

REVISION DETAIL
  https://phabricator.kde.org/D28808

To: ngraham, #plasma, apol, #vdg, niccolove
Cc: kde-frameworks-devel, LeGast00n, cblack, michaelh, ngraham, bruns