Move OWNER reference master=>main. am: 7e4ca8bd03

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/threadpool/+/2661052

Change-Id: Ib49dd9ddeaca764cb6b4731c02063ed306de36eb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>