Merge "Add rust_test and update TEST_MAPPING" am: 8f8d97660e am: 6901b0655a am: 0ebbb1f39f am: 14840ab2b2

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/pin-utils/+/1366157

Change-Id: I2becd48ddf3235d6da290dc0a21dfaa44ba72d1e