Roll src/third_party/catapult/ 4bd0c43eb..fe8a3c8a5 (2 commits).

https://chromium.googlesource.com/external/github.com/catapult-project/catapult.git/+log/4bd0c43eba04..fe8a3c8a5cdb

$ git log 4bd0c43eb..fe8a3c8a5 --date=short --no-merges --format='%ad %ae %s'
2017-01-12 aiolos Unit refactor cl 3: Use UnitScales in Unit.html instead of UnitPrefixScales.
2017-01-12 simonhatch Make this a more generic step and remove any stale files.

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, see:
http://www.chromium.org/developers/tree-sheriffs/sheriff-details-chromium#TOC-Failures-due-to-DEPS-rolls

CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.android:android_optional_gpu_tests_rel
TBR=catapult-sheriff@chromium.org

Review-Url: https://codereview.chromium.org/2627033004
Cr-Commit-Position: refs/heads/master@{#443426}

DEPS

@@ -96,7 +96,7 @@ 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': '4bd0c43eba04811d3cbbab0d2e34d5ad5a719c5e',
+  'catapult_revision': 'fe8a3c8a5cdb3f8ccb9edca2f3e7582fb2937c5b',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling libFuzzer
   # and whatever else without interference from each other.