Roll src/third_party/catapult/ e2c6869c7..53ddd9ffa (36 commits).
Roll src/third_party/catapult/ e2c6869c7..53ddd9ffa (36 commits).

https://chromium.googlesource.com/external/github.com/catapult-project/catapult.git/+log/e2c6869c7294..53ddd9ffa0a2

$ git log e2c6869c7..53ddd9ffa --date=short --no-merges --format='%ad %ae %s'

BUG=
TBR=petrcermak@chromium.org

Review URL: https://codereview.chromium.org/1429393002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#358527}

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