Upgrade bstr to 1.3.0 am: b3a08ad120 am: f4edb8b7b3

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/bstr/+/2467480

Change-Id: Iaefadc9e930aa4a163ceb50d6f21422ce3a956c4
Signed-off-by: Automerger Merge Worker <[email protected]>