luci-py: roll infra_libs / gae_ts_mon to 4d74a66

luci-py: roll infra_libs / gae_ts_mon to 4d74a66

Relevant commits:
  170b32c Add support for step_text
  67966bb Update generated chrome_infra proto file from updated proto
  5e49a19 ts_mon: catch more PubSub errors from socket.

R=maruel@chromium.org, vadimsh@chromium.org
BUG=601142
Committed: https://github.com/luci/luci-py/commit/bd3b129d87495355128f5b8246a6688b7a1c6ac0

[Sergey Berezin, 2016-04-16 00:17:25]

PTAL.

I tested the new version of ts_mon on my own copy of isolateserver:
http://shortn/_BoJDlDkOPl

[Vadim Sh., 2016-04-16 00:21:41]

lgtm

[Sergey Berezin, 2016-04-16 00:26:45]

The CQ bit was checked by sergeyberezin@chromium.org

[commit-bot: I haz the power, 2016-04-16 00:26:56]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1894593004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1894593004/1

[commit-bot: I haz the power, 2016-04-16 00:29:14]

Description was changed from

==========
luci-py: roll infra_libs / gae_ts_mon to 4d74a66

Relevant commits:
  170b32c Add support for step_text
  67966bb Update generated chrome_infra proto file from updated proto
  5e49a19 ts_mon: catch more PubSub errors from socket.

R=maruel@chromium.org, vadimsh@chromium.org
BUG=601142
==========

to

==========
luci-py: roll infra_libs / gae_ts_mon to 4d74a66

Relevant commits:
  170b32c Add support for step_text
  67966bb Update generated chrome_infra proto file from updated proto
  5e49a19 ts_mon: catch more PubSub errors from socket.

R=maruel@chromium.org, vadimsh@chromium.org
BUG=601142

Committed:
https://github.com/luci/luci-py/commit/bd3b129d87495355128f5b8246a6688b7a1c6ac0
==========

[commit-bot: I haz the power, 2016-04-16 00:29:15]

Committed patchset #1 (id:1) as
https://github.com/luci/luci-py/commit/bd3b129d87495355128f5b8246a6688b7a1c6ac0