Open source Binary Http.

Currently unused in production.
cl/470499594 tried to do this but needs source_file_patterns update, which this CL does.

Startblock:
   has LGTM from everyone
PiperOrigin-RevId: 471034502
diff --git a/build/source_list.json b/build/source_list.json
index dffd3bd..ea2cf5e 100644
--- a/build/source_list.json
+++ b/build/source_list.json
@@ -1468,6 +1468,13 @@
     "quiche/quic/load_balancer/load_balancer_server_id_map_test.cc",
     "quiche/quic/load_balancer/load_balancer_server_id_test.cc"
   ],
+  "binary_http_hdrs": [
+    "quiche/binary_http/binary_http_message.h"
+  ],
+  "binary_http_srcs": [
+    "quiche/binary_http/binary_http_message.cc",
+    "quiche/binary_http/binary_http_message_test.cc"
+  ],
   "qbone_hdrs": [
     "quiche/quic/qbone/bonnet/icmp_reachable.h",
     "quiche/quic/qbone/bonnet/icmp_reachable_interface.h",