Make sure there is pending timer credit when trying to retransmit packets in PTO mode.
Protected by FLAGS_quic_reloadable_flag_quic_fix_pto_pending_timer_count.
PiperOrigin-RevId: 331227032
Change-Id: Id7e072c9d9e8e40b7da935c879d69c6e05c3c852
QUICHE (QUIC, Http/2, Etc) is Google‘s implementation of QUIC and related protocols. It powers Chromium as well as Google’s QUIC servers and some other projects.