Rust is now approved for general platform use without project-specific
review.
Bug: 240501326
Test: m
Change-Id: I6fd4c22ba2c6a3a5bac6f91fd087fe5cffe46c01
We haven't updated this in a while, and we have new team members who
should be able to edit Rust build-related rules.
Test: N/A
Change-Id: Iaf001d0718ca187e5570a1198d06a3ae4db78e4c