Migrate 25 crates to monorepo. am: cacd180840

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/futures-task/+/3241769

Change-Id: I27f83e5630a8099c875d903ac1032418c814ab4f
Signed-off-by: Automerger Merge Worker <[email protected]>