Fixes for SwarmBucket bot

Fixes for SwarmBucket bot

- Print all build properties for debugging purposes.
- Use correct path root for swarmbucket.
- Write a dummy .gclient file if missing.

BUG=skia:5581
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2190933002

Committed: https://skia.googlesource.com/skia/+/9c18546b78f9406a73b681d81be63afcf80d30a8

[borenet2, 2016-07-28 12:38:00]

Description was changed from

==========
Fixes for SwarmBucket bot

- Print all build properties for debugging purposes.
- Use correct path root for swarmbucket.
- Write a dummy .gclient file if missing.

BUG=skia:5581
==========

to

==========
Fixes for SwarmBucket bot

- Print all build properties for debugging purposes.
- Use correct path root for swarmbucket.
- Write a dummy .gclient file if missing.

BUG=skia:5581
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2190933002
==========

[borenet, 2016-07-28 12:40:40]

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

[borenet, 2016-07-28 12:40:51]

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

[commit-bot: I haz the power, 2016-07-28 12:40:53]

Dry run: 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, 2016-07-28 12:42:24]

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

[commit-bot: I haz the power, 2016-07-28 12:42:24]

Dry run: Try jobs failed on following builders:
  Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-Shared-Trybot on
master.client.skia (JOB_FAILED,
http://build.chromium.org/p/client.skia/builders/Test-Ubuntu-GCC-GCE-CPU-AVX2...)
  Test-Ubuntu-GCC-ShuttleA-GPU-GTX660-x86_64-Release-Trybot on
master.client.skia (JOB_FAILED,
http://build.chromium.org/p/client.skia/builders/Test-Ubuntu-GCC-ShuttleA-GPU...)
  Build-Ubuntu-GCC-Arm7-Debug-Android-Trybot on master.client.skia.compile
(JOB_FAILED,
http://build.chromium.org/p/client.skia.compile/builders/Build-Ubuntu-GCC-Arm...)
  Build-Ubuntu-GCC-x86_64-Release-CMake-Trybot on master.client.skia.compile
(JOB_FAILED,
http://build.chromium.org/p/client.skia.compile/builders/Build-Ubuntu-GCC-x86...)
  Build-Ubuntu-GCC-x86_64-Release-Trybot on master.client.skia.compile
(JOB_FAILED,
http://build.chromium.org/p/client.skia.compile/builders/Build-Ubuntu-GCC-x86...)

[rmistry, 2016-07-28 12:46:16]

lgtm

[borenet, 2016-07-28 12:56:32]

Fixed print_properties in patch set 2.

[borenet, 2016-07-28 12:56:37]

The CQ bit was checked by borenet@google.com

[borenet, 2016-07-28 12:56:37]

The patchset sent to the CQ was uploaded after l-g-t-m from rmistry@google.com
Link to the patchset: https://codereview.chromium.org/2190933002/#ps20001
(title: "Fix print_properties")

[commit-bot: I haz the power, 2016-07-28 12:56:44]

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, 2016-07-28 15:58:40]

Description was changed from

==========
Fixes for SwarmBucket bot

- Print all build properties for debugging purposes.
- Use correct path root for swarmbucket.
- Write a dummy .gclient file if missing.

BUG=skia:5581
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2190933002
==========

to

==========
Fixes for SwarmBucket bot

- Print all build properties for debugging purposes.
- Use correct path root for swarmbucket.
- Write a dummy .gclient file if missing.

BUG=skia:5581
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2190933002

Committed:
https://skia.googlesource.com/skia/+/9c18546b78f9406a73b681d81be63afcf80d30a8
==========

[commit-bot: I haz the power, 2016-07-28 15:58:41]

Committed patchset #2 (id:20001) as
https://skia.googlesource.com/skia/+/9c18546b78f9406a73b681d81be63afcf80d30a8