Merge "Allowlist librustc_demangle_static" into main am: 41932863

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2794696



Change-Id: I9b1cc132278c05e464ad05605160c8f191206455
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>