Supporting changes for CFI toolchain features

Mostly exporting variables to Bazel, but also allowlisting a BUILD
file.

Bug: 251217226
Test: Unit tests
Change-Id: Id87015a3cd5d970700c4058ec989bb0c14c36bcb
diff --git a/android/allowlists/allowlists.go b/android/allowlists/allowlists.go
index 33655d0..db1349b 100644
--- a/android/allowlists/allowlists.go
+++ b/android/allowlists/allowlists.go
@@ -388,6 +388,8 @@
 		"external/protobuf":/* recursive = */ false,
 		"external/python/absl-py":/* recursive = */ true,
 
+		"external/compiler-rt/lib/cfi":/* recursive = */ false,
+
 		// this BUILD file is globbed by //external/icu/icu4c/source:icu4c_test_data's "data/**/*".
 		"external/icu/icu4c/source/data/unidata/norm2":/* recursive = */ false,