Import proc-macro-error-1.0.2 am: b26ed88635 am: a15a5491d2 am: 20ce035812

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/proc-macro-error/+/1321867

Change-Id: Ibac7d11277d76e5b819e365a517ec3a6d373972d