Make getrandom available to product and vendor am: 175407161c am: baaf9a5f6a am: 056610f806 am: 9949c6358d

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

Change-Id: I1ff55d5050ae56938533ee35942eb3beb7b4ca69
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>