Fix shlex/METADATA am: 465e83829e am: 2972d1df1f am: 9b44b764f0 am: 06676054bb

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/shlex/+/1414176

Change-Id: I6885e9af8ad225cf1f3843c73fde1907d5f72437