[Android] Add ChromiumNetTestSupport.apk for the java EmbeddedTestServer.

net/BUILD.gn

Index: net/BUILD.gn
diff --git a/net/BUILD.gn b/net/BUILD.gn
index 0bba8a461811592ef21e08f544bcf9db430db049..e41f180702b74ba335bfd262eba27d0d9c6a9830 100644
--- a/net/BUILD.gn
+++ b/net/BUILD.gn
@@ -673,7 +673,13 @@ source_set("test_support") {
   }
 
   if (is_android) {
+    public_deps += [ ":net_test_jni_headers" ]
     sources += [
+      "test/android/net_test_entry_point.cc",
+      "test/android/net_test_jni_onload.cc",
+      "test/android/net_test_jni_onload.h",
+      "test/embedded_test_server/android/embedded_test_server_android.cc",
+      "test/embedded_test_server/android/embedded_test_server_android.h",
       "test/spawned_test_server/remote_test_server.cc",
       "test/spawned_test_server/remote_test_server.h",
       "test/spawned_test_server/spawner_communicator.cc",
@@ -1206,7 +1212,7 @@ if (is_android) {
     sources = [
       "android/javatests/src/org/chromium/net/AndroidKeyStoreTestUtil.java",
       "test/android/javatests/src/org/chromium/net/test/DummySpnegoAuthenticator.java",
-      "test/android/javatests/src/org/chromium/net/test/EmbeddedTestServer.java",
+      "test/android/javatests/src/org/chromium/net/test/EmbeddedTestServerImpl.java",
     ]
     jni_package = "net/test"
   }