Merge "rust: Add support for parameterized types" am: b634420506

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2485657

Change-Id: Ia1a637f8d61319711511d71d46ef5a422e5460f1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>