Merge "Allowlist rustc-demangle crate" into main am: c6d992e4

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2768331



Change-Id: Ia4d9f770140472c9feb27253e2f99c6e1b35456d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>