Fix install-build-deps.sh --quick-check on Trusty

Fix install-build-deps.sh --quick-check on Trusty

Sort :i386 packages to the front to avoid confusing dpkg-query;
see https://crbug.com/446172 for details.

BUG=446172
Committed: https://crrev.com/4bd1030a750284a3c2f75757f7d686f269bf9690
Cr-Commit-Position: refs/heads/master@{#310079}

[johnme, 2015-01-05 15:05:29]

johnme@chromium.org changed reviewers:
+ thakis@chromium.org

[Nico, 2015-01-05 20:53:08]

lgtm

https://codereview.chromium.org/795253007/diff/20001/build/install-build-deps.sh
File build/install-build-deps.sh (right):

https://codereview.chromium.org/795253007/diff/20001/build/install-build-deps...
build/install-build-deps.sh:311: "${nacl_list}" | tr " " "\n" | sort -u | sort
-r -s -t: -k2 | tr "\n" " "
out of interest: why -s?

[johnme, 2015-01-06 10:45:58]

https://codereview.chromium.org/795253007/diff/20001/build/install-build-deps.sh
File build/install-build-deps.sh (right):

https://codereview.chromium.org/795253007/diff/20001/build/install-build-deps...
build/install-build-deps.sh:311: "${nacl_list}" | tr " " "\n" | sort -u | sort
-r -s -t: -k2 | tr "\n" " "
On 2015/01/05 20:53:08, Nico wrote:
> out of interest: why -s?

-s is stable sort, meaning that the :i386 packages will remain in alphabetical
order, as will the non-:i386 packages. Not necessary, but it's nicer when
printing the list of packages (as happens on line 361).

[johnme, 2015-01-06 10:46:02]

The CQ bit was checked by johnme@chromium.org

[commit-bot: I haz the power, 2015-01-06 10:46:52]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/795253007/20001

[commit-bot: I haz the power, 2015-01-06 11:26:22]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-01-06 11:27:07]

Patchset 2 (id:??) landed as
https://crrev.com/4bd1030a750284a3c2f75757f7d686f269bf9690
Cr-Commit-Position: refs/heads/master@{#310079}