Make getrandom available to product and vendor am: 175407161c

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/getrandom/+/2475771

Change-Id: I7442949b54d87fc689e959276a9a14802b168f56
Signed-off-by: Automerger Merge Worker <[email protected]>