gfe-relnote: (n/a) Fix truncated read tests in quic_udp_socket_test.cc under --config=android_arm64. Only affect android build, no behavior change in prod.
gfe-relnote: (n/a) Fix truncated read tests in quic_udp_socket_test.cc under --config=android_arm64. Only affect android build, no behavior change in prod.

Tested=blaze test --config=android_arm64 //third_party/quic/core:quic_udp_socket_test_android_arm64-v8a
PiperOrigin-RevId: 290968630
Change-Id: I64fa368bd45e98732089bdb276a5bae58b188118

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