Bug 18179974 - Update mp4parse to 888ce901bb604d9e385. r=kinetik,glandium

.cargo/config.in

Cargo.lock

third_party/rust/mp4parse/.cargo-checksum.json

third_party/rust/mp4parse/Cargo.toml

third_party/rust/mp4parse/src/lib.rs

third_party/rust/mp4parse/src/tests.rs

third_party/rust/mp4parse/src/unstable.rs

third_party/rust/mp4parse/tests/public.rs

third_party/rust/mp4parse/tests/valid_with_garbage_byte.avif

...arty/rust/mp4parse/tests/valid_with_garbage_overread.avif

third_party/rust/mp4parse/tests/wide_box_size_0.avif

third_party/rust/mp4parse_capi/.cargo-checksum.json

third_party/rust/mp4parse_capi/Cargo.toml

third_party/rust/mp4parse_capi/src/lib.rs

third_party/rust/mp4parse_capi/tests/test_avis.rs

third_party/rust/mp4parse_capi/tests/test_avis_loop_count.rs

third_party/rust/mp4parse_capi/tests/test_fragment.rs

third_party/rust/mp4parse_capi/tests/test_sample_table.rs

toolkit/library/rust/shared/Cargo.toml