Disable flaky PersonalDataManagerTests on TSan builds

Disable flaky PersonalDataManagerTests on TSan builds

Two tests are flaking on TSan:
- PersonalDataManagerTest.SaveImportedProfile
- PersonalDataManagerTest.MergeProfile_UsageStats

BUG=686226
TBR=sebsg@chromium.org

Review-Url: https://codereview.chromium.org/2667823002
Cr-Commit-Position: refs/heads/master@{#447119}
Committed: https://chromium.googlesource.com/chromium/src/+/3df95e516ae237ef93d88cd4bcd1bddffe4d2bd6

[tsergeant, 2017-01-30 23:31:08]

The CQ bit was checked by tsergeant@chromium.org

[commit-bot: I haz the power, 2017-01-30 23:31:45]

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, 2017-01-31 00:09:28]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1485819068080760,
"parent_rev": "2fef84abdfaf7cb620a74d11af401227f1eba8e1", "commit_rev":
"3df95e516ae237ef93d88cd4bcd1bddffe4d2bd6"}

[commit-bot: I haz the power, 2017-01-31 00:10:02]

Description was changed from

==========
Disable flaky PersonalDataManagerTests on TSan builds

Two tests are flaking on TSan:
- PersonalDataManagerTest.SaveImportedProfile
- PersonalDataManagerTest.MergeProfile_UsageStats

BUG=686226
TBR=sebsg@chromium.org
==========

to

==========
Disable flaky PersonalDataManagerTests on TSan builds

Two tests are flaking on TSan:
- PersonalDataManagerTest.SaveImportedProfile
- PersonalDataManagerTest.MergeProfile_UsageStats

BUG=686226
TBR=sebsg@chromium.org

Review-Url: https://codereview.chromium.org/2667823002
Cr-Commit-Position: refs/heads/master@{#447119}
Committed:
https://chromium.googlesource.com/chromium/src/+/3df95e516ae237ef93d88cd4bcd1...
==========

[commit-bot: I haz the power, 2017-01-31 00:10:03]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/chromium/src/+/3df95e516ae237ef93d88cd4bcd1...