message: change max stream ID in quic constants to (2^62 - 1)
  Summary: change max stream ID correctly to 2^62 - 1
diff: @@ -502,7 +502,8 @@ constexpr uint64_t kDefaultConnectionWindowSize = 1024 * 1024;
  /* Stream Limits */
  constexpr uint64_t kDefaultMaxStreamsBidirectional = 2048;
  constexpr uint64_t kDefaultMaxStreamsUnidirectional = 2048;
  -constexpr uint64_t kMaxStreamId = 1ull << 62;
  +constexpr uint64_t kMaxStreamId = (1ull << 62) - 1;
  +constexpr uint64_t kInvalidStreamId = kMaxStreamId + 1;
  constexpr uint64_t kMaxMaxStreams = 1ull << 60;
  /* Idle timeout parameters */
  