Add missing LVGROUP_MASK enum values

[elachlan]

LVGROUP_MASK is missing enum values, this uses the autopopulate setting to extract them.

*** Comparing .winmd to last release
Unknown differences found:
Windows.Win32.UI.Controls.Apis.LVGF_ALIGN removed
Windows.Win32.UI.Controls.Apis.LVGF_DESCRIPTIONBOTTOM removed
Windows.Win32.UI.Controls.Apis.LVGF_DESCRIPTIONTOP removed
Windows.Win32.UI.Controls.Apis.LVGF_EXTENDEDIMAGE removed
Windows.Win32.UI.Controls.Apis.LVGF_GROUPID removed
Windows.Win32.UI.Controls.Apis.LVGF_ITEMS removed
Windows.Win32.UI.Controls.Apis.LVGF_SUBSET removed
Windows.Win32.UI.Controls.Apis.LVGF_SUBSETITEMS removed
Windows.Win32.UI.Controls.Apis.LVGF_SUBTITLE removed
Windows.Win32.UI.Controls.Apis.LVGF_TASK removed
Windows.Win32.UI.Controls.Apis.LVGF_TITLEIMAGE removed
Windows.Win32.UI.Controls.LVGROUP_MASK.LVGF_ALIGN added
Windows.Win32.UI.Controls.LVGROUP_MASK.LVGF_DESCRIPTIONBOTTOM added
Windows.Win32.UI.Controls.LVGROUP_MASK.LVGF_DESCRIPTIONTOP added
Windows.Win32.UI.Controls.LVGROUP_MASK.LVGF_EXTENDEDIMAGE added
Windows.Win32.UI.Controls.LVGROUP_MASK.LVGF_GROUPID added
Windows.Win32.UI.Controls.LVGROUP_MASK.LVGF_ITEMS added
Windows.Win32.UI.Controls.LVGROUP_MASK.LVGF_SUBSET added
Windows.Win32.UI.Controls.LVGROUP_MASK.LVGF_SUBSETITEMS added
Windows.Win32.UI.Controls.LVGROUP_MASK.LVGF_SUBTITLE added
Windows.Win32.UI.Controls.LVGROUP_MASK.LVGF_TASK added
Windows.Win32.UI.Controls.LVGROUP_MASK.LVGF_TITLEIMAGE added

Related Winforms Issue: dotnet/winforms#7445