lacros: Disable stack protector

Temporarily disables stack protector which causes a crash on launch
while the issue is further investigation.

(cherry picked from commit c1c1fc7)

Bug: 1316129
Change-Id: Idd2a884553c78020179e1f6df46e2524338fe221
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3597034
Reviewed-by: Jenny Zhang <jennyz@chromium.org>
Commit-Queue: Erik Chen <erikchen@chromium.org>
Cr-Original-Commit-Position: refs/heads/main@{#994273}
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3597089
Commit-Queue: Srinivas Sista <srinivassista@chromium.org>
Auto-Submit: Srinivas Sista <srinivassista@chromium.org>
Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/branch-heads/5005@{#60}
Cr-Branched-From: 5b4d945-refs/heads/main@{#992738}

chrome/browser/chrome_content_browser_client.cc

@@ -2513,7 +2513,8 @@ void ChromeContentBrowserClient::AppendExtraCommandLineSwitches(
   ThreadProfilerConfiguration::Get()->AppendCommandLineSwitchForChildProcess(
       command_line);
 
-#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
+#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS_ASH)
+  // TODO(https://crbug.com/1316129): Re-enable for Lacros.
   // Processes may only query perf_event_open with the BPF sandbox disabled.
   if (browser_command_line.HasSwitch(switches::kEnableThreadInstructionCount) &&
       command_line->HasSwitch(sandbox::policy::switches::kNoSandbox)) {