Fix issues in assets scripts

Fix issues in assets scripts

- Delete unconditionally uses 'gsutil'
- args.gsutil not plumbed properly

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2326663002

Committed: https://skia.googlesource.com/skia/+/a42405aa522cd33292b9817da460e9f29e00a201

[borenet2, 2016-09-08 18:17:19]

Description was changed from

==========
Fix issues in assets scripts

- Delete unconditionally uses 'gsutil'
- args.gsutil not plumbed properly

BUG=skia:
==========

to

==========
Fix issues in assets scripts

- Delete unconditionally uses 'gsutil'
- args.gsutil not plumbed properly

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2326663002
==========

[borenet, 2016-09-08 18:17:53]

borenet@google.com changed reviewers:
+ borenet@google.com, brianosman@google.com

[borenet, 2016-09-08 18:39:43]

The CQ bit was checked by borenet@google.com to run a CQ dry run

[commit-bot: I haz the power, 2016-09-08 18:39:49]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[borenet, 2016-09-09 12:07:33]

borenet@google.com changed reviewers:
+ rmistry@google.com

[borenet, 2016-09-09 12:07:42]

The CQ bit was checked by borenet@google.com to run a CQ dry run

[commit-bot: I haz the power, 2016-09-09 12:07:49]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[rmistry, 2016-09-09 12:08:45]

lgtm

[commit-bot: I haz the power, 2016-09-09 12:36:24]

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

[commit-bot: I haz the power, 2016-09-09 12:36:25]

Dry run: This issue passed the CQ dry run.

[borenet, 2016-09-09 12:36:26]

The CQ bit was unchecked by borenet@google.com

[borenet, 2016-09-09 12:36:29]

The CQ bit was checked by borenet@google.com

[commit-bot: I haz the power, 2016-09-09 12:36:35]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-09-09 12:37:31]

Description was changed from

==========
Fix issues in assets scripts

- Delete unconditionally uses 'gsutil'
- args.gsutil not plumbed properly

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2326663002
==========

to

==========
Fix issues in assets scripts

- Delete unconditionally uses 'gsutil'
- args.gsutil not plumbed properly

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2326663002

Committed:
https://skia.googlesource.com/skia/+/a42405aa522cd33292b9817da460e9f29e00a201
==========

[commit-bot: I haz the power, 2016-09-09 12:37:32]

Committed patchset #2 (id:20001) as
https://skia.googlesource.com/skia/+/a42405aa522cd33292b9817da460e9f29e00a201