Verify gfe2_reloadable_flag_quic_send_goaway_with_connection_close.
Verify gfe2_reloadable_flag_quic_send_goaway_with_connection_close.

https://b20020abe24cc000000000000000000001338000000fcc0ffffb900.proxy.googleprod.com/r/expr_browser.html#expr=%7Bvar%3D%22dc_code_count%3Acode_counters_total%3Asum%22%2Cjob%3D%22%2F.*_layer1_gfe.*%2F%22%2Cdc%3D%22vl%22%2Cname_of_code_point%3D%22%2Fquic_send_goaway_with_connection_close.*%2F%22%7D&grid&w=1533&yrange=%5B0%3A%5D

https://b20020a056008114c00000000000000001338000000fcc0ffffb900.proxy.googleprod.com/r/expr_browser.html#expr=%7Bvar%3D%22dc_code_count%3Acode_counters_total%3Asum%22%2Cjob%3D%22%2F.*_layer1_gfe.*%2F%22%2Cdc%3D%22wk%22%2Cname_of_code_point%3D%22%2Fquic_send_goaway_with_connection_close.*%2F%22%7D&grid&w=1533&yrange=%5B0%3A%5D

Protected by FLAGS_quic_reloadable_flag_quic_send_goaway_with_connection_close.

PiperOrigin-RevId: 343136693
Change-Id: I0d963fb1215298c198dee1459f22a01e276f6dd5

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