Merge "Upgrade rust/crates/libloading to 0.7.0" am: 5b59788e90

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/libloading/+/1582287

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Iafff62814d88118c2cfef860ab6fb7f99e4ef93c