Give CompOS APEX access to libregex am: 80a32d81b0 am: e24338dbfd am: 666d839d69 am: bf6f01e776

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/regex-syntax/+/1937579

Change-Id: I944f9977451c1bb9b928ef1e77652d705d69dd0d