system_properties: Fix FnMut/FnOnce type mismatch am: 6b25cb20b8 am: d6d2bc1448 am: 32bd2f3bdf am: 58e2278b1e am: ebfce24e64

Original change: https://android-review.googlesource.com/c/platform/system/librustutils/+/1886261

Change-Id: Ibb60d34535e1faa3e25f8e580a680df920f4c81a
tree: aba8b8eeb6b2011b99b417140fe51db3f23b3e54
  1. bindgen/
  2. Android.bp
  3. lib.rs
  4. OWNERS
  5. system_properties.rs
  6. users.rs