Update linux sysroot images

Update linux sysroot images

This brings in the following changes to the sysroot:
 - d746383 Include /usr/share/pkgconfig files in sysroot image
 - 475c72a Add libpthread-stubs0-dev to sysroot image

BUG=569947
Committed: https://crrev.com/2199e4c1c2619ba1996515bccf7b5e33226b5662
Cr-Commit-Position: refs/heads/master@{#365655}

[Sam Clegg, 2015-12-16 18:52:08]

The CQ bit was checked by sbc@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2015-12-16 18:52:35]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1536433003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1536433003/1

[commit-bot: I haz the power, 2015-12-16 19:25:17]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-12-16 19:25:17]

Dry run: This issue passed the CQ dry run.

[Sam Clegg, 2015-12-16 19:32:59]

sbc@chromium.org changed reviewers:
+ thestig@chromium.org

[Lei Zhang, 2015-12-16 19:34:50]

lgtm

[Sam Clegg, 2015-12-16 22:45:02]

The CQ bit was checked by sbc@chromium.org

[commit-bot: I haz the power, 2015-12-16 22:47:28]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1536433003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1536433003/1

[commit-bot: I haz the power, 2015-12-16 22:58:21]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-12-16 22:59:14]

Description was changed from

==========
Update linux sysroot images

This brings in the following changes to the sysroot:
 - d746383 Include /usr/share/pkgconfig files in sysroot image
 - 475c72a Add libpthread-stubs0-dev to sysroot image

BUG=569947
==========

to

==========
Update linux sysroot images

This brings in the following changes to the sysroot:
 - d746383 Include /usr/share/pkgconfig files in sysroot image
 - 475c72a Add libpthread-stubs0-dev to sysroot image

BUG=569947

Committed: https://crrev.com/2199e4c1c2619ba1996515bccf7b5e33226b5662
Cr-Commit-Position: refs/heads/master@{#365655}
==========

[commit-bot: I haz the power, 2015-12-16 22:59:15]

Patchset 1 (id:??) landed as
https://crrev.com/2199e4c1c2619ba1996515bccf7b5e33226b5662
Cr-Commit-Position: refs/heads/master@{#365655}