Adding autogenerated Trusty makefile rules am: cc124ef7e9 am: 8be60a7ffe am: 5feb1bc659

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/protobuf/+/2752729

Change-Id: Id5933292bc5e5fba285088676cb9cfe6bc4b8f3f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>