Roll src/third_party/catapult/ 521f22cf5..f4b68cb58 (2 commits).
Roll src/third_party/catapult/ 521f22cf5..f4b68cb58 (2 commits).

https://chromium.googlesource.com/external/github.com/catapult-project/catapult.git/+log/521f22cf5e5a..f4b68cb583c3

$ git log 521f22cf5..f4b68cb58 --date=short --no-merges --format='%ad %ae %s'

BUG=605972

TBR=catapult-sheriff@chromium.org

Review-Url: https://codereview.chromium.org/1924123003
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#390487}

axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk