Migrate 25 crates to monorepo. am: 86179b2bd7 am: 4c1971230e

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/h2/+/3242569

Change-Id: I0c65d33555b2e920b66442c9cee653954123414e
Signed-off-by: Automerger Merge Worker <[email protected]>