Roll src/third_party/catapult/ 8484270f6..5148bd4b2 (5 commits).

https://chromium.googlesource.com/external/github.com/catapult-project/catapult.git/+log/8484270f6d2c..5148bd4b2be6

$ git log 8484270f6..5148bd4b2 --date=short --no-merges --format='%ad %ae %s'
2016-09-14 nednguyen Fix typo with setting chrome category in TimelineBasedMeasurement
2016-09-14 nednguyen Revert of Revert "[Clock sync] Use clock sync manager to convert trace event timestamps" (patchset #1 id:1 of https://codereview.chromium.org/2345463003/ )
2016-09-14 charliea Revert "[Clock sync] Use clock sync manager to convert trace event timestamps"
2016-09-14 nduca Add benjhayden@ to tracing OWNERS
2016-09-14 nednguyen Add breakdown UI for TTI & FMP metrics

TBR=catapult-sheriff@chromium.org

Review-Url: https://codereview.chromium.org/2340943002
Cr-Commit-Position: refs/heads/master@{#418752}

DEPS

@@ -92,7 +92,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling catapult
   # and whatever else without interference from each other.
-  'catapult_revision': '8484270f6d2c442f69ef30d80e815517c896e782',
+  'catapult_revision': '5148bd4b2be6fddb9fb33cae504afe76e113cfbd',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling libFuzzer
   # and whatever else without interference from each other.