Update cr_cronet.py to allow arbitrary build directories

Update cr_cronet.py to allow arbitrary build directories

Now that we're building with GN, we aren't restricted to out/Debug and
out/Release. Some cronet developers might want to name their directories
differently.

BUG=600857
Committed: https://crrev.com/62d2e21291d90966c984748532a0f254dab2322b
Cr-Commit-Position: refs/heads/master@{#390524}

[mgersh, 2016-04-28 17:57:00]

mgersh@chromium.org changed reviewers:
+ mef@chromium.org

[mgersh, 2016-04-28 17:57:01]

PTAL

[mef, 2016-04-28 21:37:10]

lgtm

[mgersh, 2016-04-28 21:38:33]

The CQ bit was checked by mgersh@chromium.org

[commit-bot: I haz the power, 2016-04-28 21:39:06]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1924693005/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1924693005/1

[commit-bot: I haz the power, 2016-04-28 22:54:16]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-04-30 17:22:28]

Patchset 1 (id:??) landed as
https://crrev.com/62d2e21291d90966c984748532a0f254dab2322b
Cr-Commit-Position: refs/heads/master@{#390524}

[commit-bot: I haz the power, 2016-04-30 17:58:13]

Description was changed from

==========
Update cr_cronet.py to allow arbitrary build directories

Now that we're building with GN, we aren't restricted to out/Debug and
out/Release. Some cronet developers might want to name their directories
differently.

BUG=600857
==========

to

==========
Update cr_cronet.py to allow arbitrary build directories

Now that we're building with GN, we aren't restricted to out/Debug and
out/Release. Some cronet developers might want to name their directories
differently.

BUG=600857

Committed: https://crrev.com/62d2e21291d90966c984748532a0f254dab2322b
Cr-Commit-Position: refs/heads/master@{#390524}
==========