Initial import of document-features-0.2.6 am: 555ca75099

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/document-features/+/2287897

Change-Id: I1f6f3c9d50c8039f955244a072a5f0e232726535
Signed-off-by: Automerger Merge Worker <[email protected]>