Upgrade rust/crates/clang-sys to 1.0.3 am: 430b0554f8 am: 64fc21b911 am: ef10236592 am: 144f2e0a0c

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

Change-Id: I148c73f71d0ab4e663fb97a1710b891d122da5cb