Update min_sdk_version to 29 am: 1c74488f02

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/os_str_bytes/+/3017901

Change-Id: I7accb5de1d3dedeaece3be0a5844ecf98398d99d
Signed-off-by: Automerger Merge Worker <[email protected]>