Temporarily disable nocompile tests on Linux ToT bots.

The tests should be reenabled once -Wunused-lambda-capture
suppression is gone.

BUG=681136
TBR=dpranke@chromium.org

Review-Url: https://codereview.chromium.org/2645593002
Cr-Commit-Position: refs/heads/master@{#444416}
diff --git a/tools/mb/mb_config.pyl b/tools/mb/mb_config.pyl
index 1aee239..29aae712 100644
--- a/tools/mb/mb_config.pyl
+++ b/tools/mb/mb_config.pyl
@@ -1582,7 +1582,7 @@
     },
 
     'clang_tot': {
-      'gn_args': 'llvm_force_head_revision=true clang_use_chrome_plugins=false',
+      'gn_args': 'llvm_force_head_revision=true clang_use_chrome_plugins=false enable_nocompile_tests=false',
       'mixins': ['clang'],
     },