Add bazelbuild-rules_cc to soong_integration_tests

This fixes breakage currently on CI.

Bug: 296628826
Test: build/soong/tests/bp2build_bazel_test.sh
Change-Id: Ibfcd2bc5d2b107879281075ab994f1e9a8f5da0e
diff --git a/tests/lib.sh b/tests/lib.sh
index f3db76f..c0b1514 100644
--- a/tests/lib.sh
+++ b/tests/lib.sh
@@ -154,6 +154,7 @@
   symlink_directory external/bazelbuild-rules_go
   symlink_directory external/bazelbuild-rules_license
   symlink_directory external/bazelbuild-kotlin-rules
+  symlink_directory external/bazelbuild-rules_cc
   symlink_directory external/bazelbuild-rules_python
   symlink_directory external/bazelbuild-rules_java