Merge "Don't try to remove Cargo.lock if it doesn't exist." am: fa51a80114 am: a9136a088c am: 89856f54d1 am: 7954a1b5dc

Original change: https://android-review.googlesource.com/c/platform/development/+/1938733

Change-Id: I4208422b70ee60298e67978b135dc666697ed653