[grpc] Correcting grpc_config in non-main libraries.

A previous fix attempted to remove some warnings. Some source_sets were
not using the private_config needed to build. Adding the private_config.

Bug: 1152807
Test: CQ
Change-Id: I8f8f4a74affd161e7a39a99e43a8060d8421b4a8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2566371
Auto-Submit: Andres Medina <medinaandres@chromium.org>
Commit-Queue: Nico Weber <thakis@chromium.org>
Reviewed-by: Nico Weber <thakis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#832120}

third_party/grpc/BUILD.gn

@@ -1514,6 +1514,9 @@ source_set("address_sorting") {
   public_configs = [
     ":grpc_config",
   ]
+  configs += [
+    ":grpc_config_private",
+  ]
   include_dirs = [
     "src/third_party/address_sorting/include",
   ]
@@ -1563,6 +1566,9 @@ if (current_toolchain == host_toolchain) {
     public_configs = [
       ":grpc_config",
     ]
+    configs += [
+      ":grpc_config_private",
+    ]
   }
 
 }
@@ -1621,6 +1627,9 @@ source_set("upb") {
   public_configs = [
     ":grpc_config",
   ]
+  configs += [
+    ":grpc_config_private",
+  ]
   visibility = [ "./*" ]
   if (!is_win) {
     configs -= [ "//build/config/gcc:symbol_visibility_hidden" ]

third_party/grpc/template/BUILD.chromium.gn.template

@@ -374,12 +374,12 @@
       if repeated:
         deps.append(":{}".format(repeated_lib_name))
     %>\
-  ${cc_library_internal(lib.name, indent, sources, deps, extra_stuff, [])}
+  ${cc_library_internal(lib.name, indent, sources, deps, extra_stuff, extra_configs)}
     % if repeated:
 
   # There are some .cc files that are in multiple places. GN doesn't like
   # that. Moving them to another target.
-  ${cc_library_internal(repeated_lib_name, indent, repeated, repeated_deps, extra_stuff, [])}
+  ${cc_library_internal(repeated_lib_name, indent, repeated, repeated_deps, extra_stuff, extra_configs)}
     % endif
   </%def>\
   <%def name="cc_library_internal(name, indent, sources, lib_deps, extra_stuff, extra_configs)">\