Revert of [Telemetry] Change how trace_data detects if data being added is valid.

Revert of [Telemetry] Change how trace_data detects if data being added is valid. (patchset #2 id:40001 of https://codereview.chromium.org/1998673003/ )

Reason for revert:
Reverting to be able to revert another patch which is causing problems on the waterfall:

https://build.chromium.org/p/chromium.perf/builders/Linux%20Perf%20%283%29/builds/16426/steps/tracing.tracing_with_debug_overhead/logs/stdio

Original issue's description:
> [Telemetry] Change how trace_data detects if data being added is valid.
> 
> BUG=catapult:#2309
> 
> Committed: https://chromium.googlesource.com/external/github.com/catapult-project/catapult/+/6dba7972432cb9b6867a25164fab1903d3299036

TBR=charliea@chromium.org,nednguyen@google.com,rnephew@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=catapult:#2309

Committed: https://chromium.googlesource.com/external/github.com/catapult-project/catapult/+/524e30405d39a5f07e10a3e25c4d5ce520afcfef

[Sami, 2016-05-20 13:02:15]

Created Revert of [Telemetry] Change how trace_data detects if data being added
is valid.

[commit-bot: I haz the power, 2016-05-20 13:02:17]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1996343002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1996343002/1

[commit-bot: I haz the power, 2016-05-20 13:02:23]

Description was changed from

==========
Revert of [Telemetry] Change how trace_data detects if data being added is
valid. (patchset #2 id:40001 of https://codereview.chromium.org/1998673003/ )

Reason for revert:
Reverting to be able to revert another patch which is causing problems on the
waterfall:

https://build.chromium.org/p/chromium.perf/builders/Linux%20Perf%20%283%29/bu...

Original issue's description:
> [Telemetry] Change how trace_data detects if data being added is valid.
> 
> BUG=catapult:#2309
> 
> Committed:
https://chromium.googlesource.com/external/github.com/catapult-project/catapu...

TBR=charliea@chromium.org,nednguyen@google.com,rnephew@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=catapult:#2309
==========

to

==========
Revert of [Telemetry] Change how trace_data detects if data being added is
valid. (patchset #2 id:40001 of https://codereview.chromium.org/1998673003/ )

Reason for revert:
Reverting to be able to revert another patch which is causing problems on the
waterfall:

https://build.chromium.org/p/chromium.perf/builders/Linux%20Perf%20%283%29/bu...

Original issue's description:
> [Telemetry] Change how trace_data detects if data being added is valid.
> 
> BUG=catapult:#2309
> 
> Committed:
https://chromium.googlesource.com/external/github.com/catapult-project/catapu...

TBR=charliea@chromium.org,nednguyen@google.com,rnephew@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=catapult:#2309

Committed:
https://chromium.googlesource.com/external/github.com/catapult-project/catapu...
==========

[commit-bot: I haz the power, 2016-05-20 13:02:24]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/external/github.com/catapult-project/catapu...