Added double tap action in JavaPanZoomController. This commit depends on "restrict zoom to page width". Change-Id: Ifbe13f698ea01af2223beede9211a13b4970a3d5 Reviewed-on: https://gerrit.libreoffice.org/36164 Tested-by: Jenkins <ci@libreoffice.org> Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>