Merge "Allow writing Rust fuzzers for third-party crates." am: 215ed178dd am: e0ed411c8b am: 135e01ed4e

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/1867228

Change-Id: Ia1a8b25f3a85e6459e855fe9d3ff7909a72918e4