Upgrade tokio-stream to 0.1.12 am: a78006577e am: a9cba4aff2

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/tokio-stream/+/2513497

Change-Id: I21d1165b3731a4e99012a8072f6f6a8299d6da0b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>