Migrate 25 crates to monorepo. am: 2dc74734dd

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/der/+/3243462

Change-Id: I2eb0ae02021cf806d68d1e9d5077d7858432a43d
Signed-off-by: Automerger Merge Worker <[email protected]>