Add libstdc++.so.6 as data for llvm-symbolizer

Bug: 1168298
Change-Id: I4ddebb5e7e2c21b88b0b98877b1f2e802b58bd63
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2639154
Reviewed-by: Nico Weber <thakis@chromium.org>
Commit-Queue: Andrew Grieve <agrieve@chromium.org>
Cr-Commit-Position: refs/heads/master@{#845442}
GitOrigin-RevId: f26f7934cc4eadaf8df143133ebe2b0b73848484
diff --git a/development/scripts/BUILD.gn b/development/scripts/BUILD.gn
index e302a27..707c638 100644
--- a/development/scripts/BUILD.gn
+++ b/development/scripts/BUILD.gn
@@ -7,8 +7,6 @@
 
 python_library("stack_py") {
   pydeps_file = "stack.pydeps"
-  data = [
-    "stack",
-    "//third_party/llvm-build/Release+Asserts/bin/llvm-symbolizer",
-  ]
+  data = [ "stack" ]
+  data_deps = [ "//build/config/clang:llvm-symbolizer_data($host_toolchain)" ]
 }