Enable cc and viz vulkan tests on linux x86

The crash is fixed. See crbug.com/968644#c2

Bug: 968644,960795,963446
Change-Id: I7cbeabebcd82b07d16d0db3afa9ff37d30ab7a06
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1681951
Commit-Queue: Jonathan Ross <jonross@chromium.org>
Reviewed-by: Jonathan Ross <jonross@chromium.org>
Cr-Commit-Position: refs/heads/master@{#674493}

diff --git a/cc/BUILD.gn b/cc/BUILD.gn
index d5d3bac..d933273 100644
--- a/cc/BUILD.gn
+++ b/cc/BUILD.gn

@@ -788,9 +788,8 @@
 
     # TODO(samans): Support more configurations.
     # CFI issue: https://crbug.com/967819
-    # x86 issue: https://crbug.com/967831
     # LSAN issue: https://crbug.com/971325
-    if (use_x11 && target_cpu != "x86" && !is_cfi && !is_lsan) {
+    if (use_x11 && !is_cfi && !is_lsan) {
       defines = [ "ENABLE_CC_VULKAN_TESTS" ]
     }
   }