Upgrade rust/crates/clang-sys to 1.0.3 am: 430b0554f8 am: 64fc21b911

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/clang-sys/+/1505791

Change-Id: I68b1e6e4045412f3671a3a3ccc412ba6c3678190