build: combine V8 BUILD.gn patches (#38342)

* build: combine V8 BUILD.gn patches

* chore: update patches

---------

Co-authored-by: PatchUp <73610968+patchup[bot]@users.noreply.github.com>

patches/v8/.patches

@@ -1,5 +1,4 @@
 build_gn.patch
-expose_mksnapshot.patch
 dcheck.patch
 export_symbols_needed_for_windows_build.patch
 do_not_export_private_v8_symbols_on_windows.patch

patches/v8/build_gn.patch

@@ -6,10 +6,10 @@ Subject: build_gn.patch
 We force V8 into 'shared library' mode so that it exports its symbols, which is
 necessary for native modules to load.
 
-Also, some fixes relating to mksnapshot on ARM.
+Also change visibility on mksnapshot in order to target mksnapshot for mksnapshot zip.
 
 diff --git a/BUILD.gn b/BUILD.gn
-index d75f44b55a89828845f69f148da147ea29d523e2..4b90367b6a73503ae44c0a68c23d7a2fd606135c 100644
+index d75f44b55a89828845f69f148da147ea29d523e2..3140abb0868eb81976edacafc625bc80159b5aea 100644
 --- a/BUILD.gn
 +++ b/BUILD.gn
 @@ -714,7 +714,7 @@ config("internal_config") {
@@ -30,3 +30,11 @@ index d75f44b55a89828845f69f148da147ea29d523e2..4b90367b6a73503ae44c0a68c23d7a2f
  
      deps = [
        ":v8_libbase",
+@@ -6475,7 +6475,6 @@ if (current_toolchain == v8_generator_toolchain) {
+ 
+ if (current_toolchain == v8_snapshot_toolchain) {
+   v8_executable("mksnapshot") {
+-    visibility = [ ":*" ]  # Only targets in this file can depend on this.
+ 
+     sources = [
+       "src/snapshot/embedded/embedded-empty.cc",

patches/v8/expose_mksnapshot.patch

@@ -1,19 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Shelley Vohr <[email protected]>
-Date: Mon, 22 Oct 2018 10:47:13 -0700
-Subject: expose_mksnapshot.patch
-
-Needed in order to target mksnapshot for mksnapshot zip.
-
-diff --git a/BUILD.gn b/BUILD.gn
-index 4b90367b6a73503ae44c0a68c23d7a2fd606135c..3140abb0868eb81976edacafc625bc80159b5aea 100644
---- a/BUILD.gn
-+++ b/BUILD.gn
-@@ -6475,7 +6475,6 @@ if (current_toolchain == v8_generator_toolchain) {
- 
- if (current_toolchain == v8_snapshot_toolchain) {
-   v8_executable("mksnapshot") {
--    visibility = [ ":*" ]  # Only targets in this file can depend on this.
- 
-     sources = [
-       "src/snapshot/embedded/embedded-empty.cc",