Make clusterfuzz_archive include llvm-symbolizer and sancov.

scripts/slave/recipes/chromium.expected/full_chromium_lkgr_UBSan_Release.json

Index: scripts/slave/recipes/chromium.expected/full_chromium_lkgr_UBSan_Release.json
diff --git a/scripts/slave/recipes/chromium.expected/full_chromium_lkgr_UBSan_Release.json b/scripts/slave/recipes/chromium.expected/full_chromium_lkgr_UBSan_Release.json
index 1aa67aaa51e04acbb81b91a164e2601049bbc1ef..54a8b83360f2e4392584276f18c5c7f39a0acae2 100644
--- a/scripts/slave/recipes/chromium.expected/full_chromium_lkgr_UBSan_Release.json
+++ b/scripts/slave/recipes/chromium.expected/full_chromium_lkgr_UBSan_Release.json
@@ -321,6 +321,26 @@
     "cmd": [
       "python",
       "-u",
+      "\nimport shutil\nimport sys\nshutil.copy(sys.argv[1], sys.argv[2])\n",
+      "[BUILDER_CACHE]/UBSan_Release/src/third_party/llvm-build/Release+Asserts/bin/llvm-symbolizer",
+      "[BUILDER_CACHE]/UBSan_Release/src/out/Release"
+    ],
+    "name": "Copy llvm-symbolizer"
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
+      "\nimport shutil\nimport sys\nshutil.copy(sys.argv[1], sys.argv[2])\n",
+      "[BUILDER_CACHE]/UBSan_Release/src/third_party/llvm-build/Release+Asserts/bin/sancov",
+      "[BUILDER_CACHE]/UBSan_Release/src/out/Release"
+    ],
+    "name": "Copy sancov"
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
       "\nimport json, os, sys\nif os.path.exists(sys.argv[1]) and os.path.isdir(sys.argv[1]):\n  with open(sys.argv[2], 'w') as f:\n    json.dump(os.listdir(sys.argv[1]), f)\n",
       "[BUILDER_CACHE]/UBSan_Release/src/out/Release",
       "/path/to/tmp/json"