Merge "Ignore deny and warn flags to rustc." into main am: cdee866686

Original change: https://android-review.googlesource.com/c/platform/development/+/2843095

Change-Id: Id9f5c1b7734deef6314afcc0070e7ab28ea12567
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>