Do not use iterators in ParsedQuicVersionIsValid This CL fixes a Chrome merge. The issue is that Chrome uses C++14 whereas g3 uses C++17, and std::array::begin() is only constexpr starting in C++17. gfe-relnote: n/a, no behavior change PiperOrigin-RevId: 301399514 Change-Id: I2a86e234950d35ff6022285eb592cbd4576881f8