Verify gfe2_reloadable_flag_http2_use_fast_huffman_encoder.

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%2Fhttp2_use_fast_huffman_encoder.*%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%2Fhttp2_use_fast_huffman_encoder.*%2F%22%7D&grid&w=1533&yrange=%5B0%3A%5D

Protected by FLAGS_gfe2_reloadable_flag_http2_use_fast_huffman_encoder.

PiperOrigin-RevId: 343147367
Change-Id: If476418050b7edf6f20524b434b411c6a859ceee
diff --git a/quic/core/quic_flags_list.h b/quic/core/quic_flags_list.h
index d76d489..1420eb0 100644
--- a/quic/core/quic_flags_list.h
+++ b/quic/core/quic_flags_list.h
@@ -4,7 +4,7 @@
 
 // This file is autogenerated by the QUICHE Copybara export script.
 
-QUIC_FLAG(FLAGS_quic_reloadable_flag_http2_use_fast_huffman_encoder, false)
+QUIC_FLAG(FLAGS_quic_reloadable_flag_http2_use_fast_huffman_encoder, true)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_abort_qpack_on_stream_close, true)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_ack_delay_alarm_granularity, false)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_add_stream_info_to_idle_close_detail, true)