Fix visiblity rules for configs enforced by the latest GN version.

Prior versions of GN had a bug (gn:22) where visibility rules
for configs weren't being enforced properly.

This CL tweaks the visibility settings of some configs to
conform to the latest version.

Change-Id: Ic5d827a1f2774278d3894f67fe52bfca836c0409
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2360909
Commit-Queue: Dirk Pranke <dpranke@google.com>
Reviewed-by: Adam Klein <adamk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#69463}

BUILD.gn

@@ -369,7 +369,8 @@ v8_toolset_for_shell = "host"
 #
 
 config("internal_config_base") {
-  visibility = [ ":*" ]  # Only targets in this file can depend on this.
+ # Only targets in this file and its subdirs can depend on this.
+  visibility = [ "./*" ]
 
   configs = [ ":v8_tracing_config" ]
 
@@ -382,7 +383,8 @@ config("internal_config_base") {
 
 config("internal_config") {
   defines = []
-  visibility = [ ":*" ]  # Only targets in this file can depend on this.
+  # Only targets in this file and its subdirs can depend on this.
+  visibility = [ "./*" ]
 
   configs = [
     "//build/config/compiler:wexit_time_destructors",
@@ -502,7 +504,8 @@ config("v8_header_features") {
 # Put defines here that are only used in our internal files and NEVER in
 # external headers that embedders (such as chromium and node) might include.
 config("features") {
-  visibility = [ ":*" ]  # Only targets in this file can depend on this.
+  # Only targets in this file and its subdirs can depend on this.
+  visibility = [ "./*" ]
 
   defines = []
 
@@ -632,7 +635,8 @@ config("features") {
 }
 
 config("toolchain") {
-  visibility = [ ":*" ]  # Only targets in this file can depend on this.
+  # Only targets in this file and its subdirs can depend on this.
+  visibility = [ "./*" ]
 
   defines = []
   cflags = []

third_party/inspector_protocol/BUILD.gn

@@ -5,7 +5,7 @@
 import("../../gni/v8.gni")
 
 config("crdtp_config") {
-  visibility = [ "../../src/inspector:*" ]
+  visibility = [ "../../src/inspector:*", ":*" ]
   configs = [ "../../:internal_config" ]
   include_dirs = [ "../../include" ]
 }