[Merge] lp:~nick-dedekind/qtubuntu/1648842.window-focus-regression into lp:qtubuntu

[Gerry Boland]

Darn, I was hoping to get rid of flushWindowSystemEvents calls here.

Could potentially limit the impact of this by passing this arg:
flushWindowSystemEvents(QEventLoop::ExcludeUserInputEvents)
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https://code.launchpad.net/~nick-dedekind/qtubuntu/1648842.window-focus-regression/+merge/312926
Your team Ubuntu Phablet Team is requested to review the proposed merge of lp:~nick-dedekind/qtubuntu/1648842.window-focus-regression into lp:qtubuntu.