Revert "Remove symbol_level=1 override (#1532)"

This doubled the size of the Linux release binary.

This reverts commit 0afc698d251214be5a3fb081a96b1957a182828e.

1 files changed, 1 insertions, 0 deletions

diff --git a/.gn b/.gn
index 60a56eda2..e40f610e6 100644
--- a/.gn
+++ b/.gn
@@ -38,6 +38,7 @@ default_args = {
   # https://chromium.googlesource.com/chromium/src/+/master/docs/jumbo.md
   use_jumbo_build = true
 
+  symbol_level = 1
   treat_warnings_as_errors = true
   rust_treat_warnings_as_errors = true