Add satisfaction survey script.
Add satisfaction survey script.

This script is from Google Survey.
The survey is configured remotely from Google survey. For the moment, it is disabled.
We will trigger the satisfaction survey only on documentation pages.

Closes #2991.

PiperOrigin-RevId: 156044987

aehlig/bazel,twitter-forks/bazel,ulfjack/bazel,davidzchen/bazel,meteorcloudy/bazel,damienmg/bazel,safarmer/bazel,katre/bazel,meteorcloudy/bazel,ulfjack/bazel,akira-baruah/bazel,safarmer/bazel,bazelbuild/bazel,damienmg/bazel,dslomov/bazel,dropbox/bazel,akira-baruah/bazel,juhalindfors/bazel-patches,ulfjack/bazel,bazelbuild/bazel,spxtr/bazel,juhalindfors/bazel-patches,juhalindfors/bazel-patches,snnn/bazel,werkt/bazel,juhalindfors/bazel-patches,variac/bazel,dslomov/bazel,katre/bazel,spxtr/bazel,katre/bazel,variac/bazel,dropbox/bazel,damienmg/bazel,dropbox/bazel,dropbox/bazel,meteorcloudy/bazel,twitter-forks/bazel,akira-baruah/bazel,spxtr/bazel,perezd/bazel,dslomov/bazel,bazelbuild/bazel,snnn/bazel,katre/bazel,katre/bazel,aehlig/bazel,twitter-forks/bazel,perezd/bazel,akira-baruah/bazel,aehlig/bazel,werkt/bazel,snnn/bazel,perezd/bazel,dslomov/bazel,safarmer/bazel,bazelbuild/bazel,dslomov/bazel,ButterflyNetwork/bazel,akira-baruah/bazel,cushon/bazel,spxtr/bazel,dslomov/bazel,safarmer/bazel,davidzchen/bazel,damienmg/bazel,damienmg/bazel,snnn/bazel,juhalindfors/bazel-patches,variac/bazel,variac/bazel,perezd/bazel,cushon/bazel,werkt/bazel,damienmg/bazel,juhalindfors/bazel-patches,variac/bazel,dropbox/bazel,aehlig/bazel,perezd/bazel,meteorcloudy/bazel,spxtr/bazel,variac/bazel,cushon/bazel,safarmer/bazel,juhalindfors/bazel-patches,davidzchen/bazel,perezd/bazel,dslomov/bazel-windows,werkt/bazel,ButterflyNetwork/bazel,aehlig/bazel,davidzchen/bazel,twitter-forks/bazel,meteorcloudy/bazel,safarmer/bazel,davidzchen/bazel,twitter-forks/bazel,werkt/bazel,snnn/bazel,davidzchen/bazel,ulfjack/bazel,dslomov/bazel-windows,ButterflyNetwork/bazel,dslomov/bazel-windows,cushon/bazel,katre/bazel,perezd/bazel,spxtr/bazel,cushon/bazel,twitter-forks/bazel,cushon/bazel,akira-baruah/bazel,snnn/bazel,spxtr/bazel,ButterflyNetwork/bazel,aehlig/bazel,bazelbuild/bazel,ulfjack/bazel,dropbox/bazel,dslomov/bazel,ButterflyNetwork/bazel,meteorcloudy/bazel,damienmg/bazel,snnn/bazel,twitter-forks/bazel,meteorcloudy/bazel,aehlig/bazel,davidzchen/bazel,ulfjack/bazel,werkt/bazel,dslomov/bazel-windows,dslomov/bazel-windows,bazelbuild/bazel,ulfjack/bazel,ButterflyNetwork/bazel,dslomov/bazel-windows,variac/bazel