Always use bzip2 compression for pkg metadata

Always use bzip2 compression for pkg metadata

Unless we have updated the bots to support xz we
use bzip2 across for meta data as well as package
files.

Committed: https://chromium.googlesource.com/external/naclports/+/799ed0c129d028a155617cf4d06129d5c5fbf0c6

[Sam Clegg, 2015-10-31 02:00:10]

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

[Sam Clegg, 2015-10-31 02:00:16]

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

[commit-bot: I haz the power, 2015-10-31 02:00:25]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1425273003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1425273003/1

[commit-bot: I haz the power, 2015-10-31 04:06:44]

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

[commit-bot: I haz the power, 2015-10-31 04:06:44]

Dry run: This issue passed the CQ dry run.

[bradnelson, 2015-11-02 16:59:36]

The CQ bit was checked by bradnelson@chromium.org

[bradnelson, 2015-11-02 16:59:36]

lgtm

[commit-bot: I haz the power, 2015-11-02 16:59:47]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1425273003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1425273003/1

[commit-bot: I haz the power, 2015-11-02 19:08:39]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/external/naclports/+/799ed0c129d028a155617c...