Update to 1.1.1 am: 4737f5c18e am: ac43ca698e am: aeb5fd5702

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/clang-sys/+/1598418

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ib8f4bd155d77a97921406cfbb38e6ef81e8aad37