This commit forward ports dedd84fa7ecb09f718f6b1a9c83999cb37b34dfa.
Original commit message:
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This diff changes code the release/3.11 branch to ensure we're not using dns.google and www.google.com over HTTP3. As documented in https://github.com/ooni/probe/issues/1873, since this morning (approx) these services do not support HTTP3 anymore. (I didn't bother with checking whether this issue affects _other_ Google services; I just limited my analysis to the services that we were using as part of testing.)
This patch WILL require forward porting to the master branch.
0a322ebab0