Make spki available to product and vendor am: aed31cca7c am: 5792b526b1 am: eb0e329491 am: 1d747c8110

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/spki/+/2474361

Change-Id: Ifb1ea2b38fc348344f7c9a49220dcec0ec21a745
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>