Update thiserror crate to 1.0.49 am: 91e199e0b9 am: a31b7672c8 am: 7e0fcb865b am: 6f804c24cf

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/thiserror/+/2786823

Change-Id: Ie46c0833321729ae88432fffba556a9c9434559c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>