Merge "Add apex to fnv rust crate" am: e574bea4a4 am: 4759579d53 am: 56cbcd16fc

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/fnv/+/1850773

Change-Id: I7c7fcd8063ea2a1827be620f5cd82a9020d5b9b6