Add two more variables to a QUIC_BUG in bandwidth_sampler.cc to debug b/119763397
Add two more variables to a QUIC_BUG in bandwidth_sampler.cc to debug b/119763397

gfe-relnote: n/a (logging only)
PiperOrigin-RevId: 268022877
Change-Id: Ibc585aa03abdf8ba03cf97029ef04a66ab48a0fe

google/quiche,google/quiche,google/quiche,google/quiche