Roll engine dea7150f33fd..98e6d15663b0 (3 commits) (#43027)

git@github.com:flutter/engine.git/compare/dea7150f33fd...98e6d15663b0

git log dea7150f33fd..98e6d15663b0 --no-merges --oneline
2019-10-18 mouad.debbar@gmail.com Preserve stdout colors of subprocesses run by felt (flutter/engine#13209)
2019-10-18 ferhat@gmail.com [web] Fix canvas reuse metrics. Refactor drawVertices code. (flutter/engine#13190)
2019-10-18 jfedor@jfedor.org Add repeatCount to FlutterKeyEvent (flutter/engine#13176)


If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/flutter-engine-flutter-autoroll
Please CC franciscojma@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

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

bin/internal/engine.version

-dea7150f33fd44b4665f63a33266945315e01092
+98e6d15663b096d816577717aaf2208e0b040b9d