ad1457494 Updated googletest to fix fuchsia build. (flutter/engine#13980) (#45421)

git@github.com:flutter/engine.git/compare/9f4341a2b869...ad14574949f5

git log 9f4341a2b869..ad14574949f5 --no-merges --oneline
2019-11-22 30870216+gaaclarke@users.noreply.github.com Updated googletest to fix fuchsia build. (#13980)


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 aaclarke@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