delaying the initial event prevents complaints from OSX>=10.7's "windows
restore" feature to recur infinitely. Apparently OSX cleans things up for us
just before we get the applicationDidFinishLaunching() callback.

(cherry picked from commit 0f3712ff)

Conflicts:
	vcl/osx/salinst.cxx

Change-Id: I0f1d59f03ffe4efc7c9a73fa881151fa06af5424