Roll src/third_party/catapult/ 2c67e5988..fe40502b6 (2 commits).

https://chromium.googlesource.com/external/github.com/catapult-project/catapult.git/+log/2c67e5988500..fe40502b6dd4

$ git log 2c67e5988..fe40502b6 --date=short --no-merges --format='%ad %ae %s'
2016-09-08 ccraik Support ANDROID_SERIAL env var as default serial
2016-09-08 alexandermont Add metric for power consumption between navigation start and TTI.

TBR=catapult-sheriff@chromium.org

Review-Url: https://codereview.chromium.org/2321203002
Cr-Commit-Position: refs/heads/master@{#417421}

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': '2c67e5988500a16fbbcbbe3e4fb816b270a9f6ec',
+  'catapult_revision': 'fe40502b6dd481f8ba77b0c7d871eecf8bba70ba',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling libFuzzer
   # and whatever else without interference from each other.