Reland of arc: Fix default app availability reporting.

Reland of arc: Fix default app availability reporting. (patchset #1 id:1 of https://codereview.chromium.org/2477323002/ )

Reason for revert:
Arc integration tests were fixed and now it is possible to reland reverted CL

Original issue's description:
> Revert of arc: Fix default app availability reporting. (patchset #1 id:1 of https://codereview.chromium.org/2468973006/ )
>
> Reason for revert:
> It's breaking all ARC CTS autotests b/32660818,
> and I highly suspect it is also affecting the Chrome OS CQ crbug.com/662451.
>
> BUG=b/32660818
>
> Original issue's description:
> > arc: Fix default app availability reporting.
> >
> > This solves the case when App list model is created before
> > ArcAppListPrefs and notifications about defualt apps are
> > not dispatched.
> >
> > BUG=641535
> > TEST=Locally on device.
> >
> > Committed: https://crrev.com/fdae64e689c5c1424d5da8f827e9d1d10d905c1c
> > Cr-Commit-Position: refs/heads/master@{#429408}
>
> TBR=xiyuan@chromium.org,hidehiko@chromium.org,khmel@chromium.org
> # Not skipping CQ checks because original CL landed more than 1 days ago.
> BUG=641535
>
> Committed: https://crrev.com/43ff56fd70f2ae8827bf8caa80b16f94040c4f0e
> Cr-Commit-Position: refs/heads/master@{#430238}

TBR=xiyuan@chromium.org,hidehiko@chromium.org,kinaba@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=b/32660818

Committed: https://crrev.com/d8b8866329c222f332f28e5b24807748a0dedb2a
Cr-Commit-Position: refs/heads/master@{#432676}

[khmel, 2016-11-16 22:25:38]

Created Reland of arc: Fix default app availability reporting.

[xiyuan, 2016-11-16 22:27:36]

lgtm, assuming no change since last review

[khmel, 2016-11-16 22:49:38]

Thank you for confirmation.

Passed several tests one more time.
Looks good, submiting

[khmel, 2016-11-16 22:49:42]

The CQ bit was checked by khmel@chromium.org

[commit-bot: I haz the power, 2016-11-16 22:50:37]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-11-17 00:26:29]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-11-17 00:32:57]

Description was changed from

==========
Reland of arc: Fix default app availability reporting. (patchset #1 id:1 of
https://codereview.chromium.org/2477323002/ )

Reason for revert:
Arc integration tests were fixed and now it is possible to reland reverted CL

Original issue's description:
> Revert of arc: Fix default app availability reporting. (patchset #1 id:1 of
https://codereview.chromium.org/2468973006/ )
> 
> Reason for revert:
> It's breaking all ARC CTS autotests b/32660818,
> and I highly suspect it is also affecting the Chrome OS CQ crbug.com/662451.
> 
> BUG=b/32660818
> 
> Original issue's description:
> > arc: Fix default app availability reporting.
> >
> > This solves the case when App list model is created before
> > ArcAppListPrefs and notifications about defualt apps are
> > not dispatched.
> >
> > BUG=641535
> > TEST=Locally on device.
> >
> > Committed: https://crrev.com/fdae64e689c5c1424d5da8f827e9d1d10d905c1c
> > Cr-Commit-Position: refs/heads/master@{#429408}
> 
> TBR=xiyuan@chromium.org,hidehiko@chromium.org,khmel@chromium.org
> # Not skipping CQ checks because original CL landed more than 1 days ago.
> BUG=641535
> 
> Committed: https://crrev.com/43ff56fd70f2ae8827bf8caa80b16f94040c4f0e
> Cr-Commit-Position: refs/heads/master@{#430238}

TBR=xiyuan@chromium.org,hidehiko@chromium.org,kinaba@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=b/32660818
==========

to

==========
Reland of arc: Fix default app availability reporting. (patchset #1 id:1 of
https://codereview.chromium.org/2477323002/ )

Reason for revert:
Arc integration tests were fixed and now it is possible to reland reverted CL

Original issue's description:
> Revert of arc: Fix default app availability reporting. (patchset #1 id:1 of
https://codereview.chromium.org/2468973006/ )
>
> Reason for revert:
> It's breaking all ARC CTS autotests b/32660818,
> and I highly suspect it is also affecting the Chrome OS CQ crbug.com/662451.
>
> BUG=b/32660818
>
> Original issue's description:
> > arc: Fix default app availability reporting.
> >
> > This solves the case when App list model is created before
> > ArcAppListPrefs and notifications about defualt apps are
> > not dispatched.
> >
> > BUG=641535
> > TEST=Locally on device.
> >
> > Committed: https://crrev.com/fdae64e689c5c1424d5da8f827e9d1d10d905c1c
> > Cr-Commit-Position: refs/heads/master@{#429408}
>
> TBR=xiyuan@chromium.org,hidehiko@chromium.org,khmel@chromium.org
> # Not skipping CQ checks because original CL landed more than 1 days ago.
> BUG=641535
>
> Committed: https://crrev.com/43ff56fd70f2ae8827bf8caa80b16f94040c4f0e
> Cr-Commit-Position: refs/heads/master@{#430238}

TBR=xiyuan@chromium.org,hidehiko@chromium.org,kinaba@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=b/32660818

Committed: https://crrev.com/d8b8866329c222f332f28e5b24807748a0dedb2a
Cr-Commit-Position: refs/heads/master@{#432676}
==========

[commit-bot: I haz the power, 2016-11-17 00:32:58]

Patchset 1 (id:??) landed as
https://crrev.com/d8b8866329c222f332f28e5b24807748a0dedb2a
Cr-Commit-Position: refs/heads/master@{#432676}