Update min_sdk_version to 29 am: 521f756b17 am: b9e0bdca47

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/clap_lex/+/3018243

Change-Id: Icc179f89c4e64c731a22245c80385240599e53ea
Signed-off-by: Automerger Merge Worker <[email protected]>