[PATCH resend] msi: Implement deferral for standard and custom actions.

[Marvin]

Hi,

While running your changed tests on Windows, I think I found new failures.
Being a bot and all I'm not very good at pattern recognition, so I might be
wrong, but could you please double-check?

Full results can be found at:
https://testbot.winehq.org/JobDetails.pl?Key=40298

Your paranoid android.


=== wvistau64 (32 bit action) ===
The test timed out

=== w7u (32 bit action) ===
The test timed out

=== w7u (32 bit install) ===
The test timed out

=== w7u (32 bit msi) ===
The test timed out