Move simple QUIC client classes around in the .gyp files.

net/BUILD.gn

Index: net/BUILD.gn
diff --git a/net/BUILD.gn b/net/BUILD.gn
index d0ec1cc5e7996a52e825c26e65728b0f5e4db18f..6a2f70762296a4e046b679a90d8e97f7efab3bcd 100644
--- a/net/BUILD.gn
+++ b/net/BUILD.gn
@@ -1264,13 +1264,10 @@ source_set("quic_tools") {
     "//url",
   ]
 }
-
-executable("simple_quic_client") {
-  testonly = true
+source_set("simple_quic_tools") {
   sources = [
     "tools/quic/quic_simple_client.cc",
     "tools/quic/quic_simple_client.h",
-    "tools/quic/quic_simple_client_bin.cc",
     "tools/quic/quic_simple_client_session.cc",
     "tools/quic/quic_simple_client_session.h",
     "tools/quic/quic_simple_client_stream.cc",
@@ -1279,6 +1276,20 @@ executable("simple_quic_client") {
   deps = [
     ":net",
     "//base",
+    "//base/third_party/dynamic_annotations",
+    "//url",
+  ]
+}
+
+executable("simple_quic_client") {
+  testonly = true
+  sources = [
+    "tools/quic/quic_simple_client_bin.cc",
+  ]
+  deps = [
+    ":net",
+    ":simple_quic_tools",
+    "//base",
     "//url",
   ]
 }