Add linux_use_bundled_binutils_override = true to build_overrides.

build_overrides/build.gni

Index: build_overrides/build.gni
diff --git a/build_overrides/build.gni b/build_overrides/build.gni
index d9ee7c54bacca22b32c0ce69b5ae99846a6351a0..2e9e02ade65a1ad087c58698516e757ea02c0d40 100644
--- a/build_overrides/build.gni
+++ b/build_overrides/build.gni
@@ -14,6 +14,9 @@
 mac_sdk_min_build_override = "10.11"
 mac_deployment_target_build_override = "10.7"
 
+# Some non-Chromium builds don't use Chromium's third_party/binutils.
+linux_use_bundled_binutils_override = true
+
 # Variable that can be used to support multiple build scenarios, like having
 # Chromium specific targets in a client project's GN file etc.
 build_with_chromium = false