Reland: Use --num-thread=10 when dexing Android code (saves 5 seconds)

Reland: Use --num-thread=10 when dexing Android code (saves 5 seconds)

This reverts commit a9975e3af252dbb1f28b55ed5398731e576b482e.

The dex tool has now fixed the non-determinism bug.

BUG=

Committed: https://crrev.com/20dfd3e71f88d45bf9edbeebf5b89f403e1ba3ff
Cr-Commit-Position: refs/heads/master@{#345512}

[agrieve, 2015-08-25 16:06:55]

agrieve@chromium.org changed reviewers:
+ jbudorick@chromium.org

[jbudorick, 2015-08-25 16:08:10]

lgtm

but this is liable to conflict with my multidex CL, which is currently in the
CQ.

[agrieve, 2015-08-25 16:08:14]

On 2015/08/25 16:06:56, agrieve wrote:

Verified by building chrome_apk's classes.dex, then building it again and
diff'ing.

[agrieve, 2015-08-25 23:43:06]

The CQ bit was checked by agrieve@chromium.org

[agrieve, 2015-08-25 23:43:06]

The patchset sent to the CQ was uploaded after l-g-t-m from
jbudorick@chromium.org
Link to the patchset: https://codereview.chromium.org/1319523002/#ps20001
(title: "add comment & rebase")

[commit-bot: I haz the power, 2015-08-25 23:43:34]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1319523002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1319523002/20001

[commit-bot: I haz the power, 2015-08-26 00:56:43]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-08-26 00:57:12]

Patchset 2 (id:??) landed as
https://crrev.com/20dfd3e71f88d45bf9edbeebf5b89f403e1ba3ff
Cr-Commit-Position: refs/heads/master@{#345512}