gfe-relnote: Add detailed_error_ to error message when failed to parse a received coalesced header. Logging only change, not protected.
gfe-relnote: Add detailed_error_ to error message when failed to parse a received coalesced header. Logging only change, not protected.

PiperOrigin-RevId: 296434265
Change-Id: Iacc2c269a4f9b98893f67a502d34eeac4c176dcc

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