Upgrade rust/crates/libfuzzer-sys to 0.4.2 am: 577945a102 am: 6d1535b6bc

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/libfuzzer-sys/+/1742518

Change-Id: Ice6643a6b9a9ced4f1ac88075405c74218ca650c