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: I100f9edadf25cab358d251eb51c5678fc9d830b0
Signed-off-by: Automerger Merge Worker <[email protected]>