Move OWNER reference master=>main. am: b539e5b867 am: edb7508b0a

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/combine/+/2661143

Change-Id: Ib1b1e32ee8c72a813309109994471dcc378f87f1
Signed-off-by: Automerger Merge Worker <[email protected]>