Make rand_xorshift available to product and vendor am: da77aabaf1 am: 39bccfbbc1 am: 67f8568ff9 am: 135502ffa6

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/rand_xorshift/+/2476174

Change-Id: I732c04a9ba567b5b25ec4e552014773a156e23b4
Signed-off-by: Automerger Merge Worker <[email protected]>