Adding autogenerated Trusty makefile rules am: 5657855787 am: fc73901fd0

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/bitflags/+/2751206

Change-Id: I9b4ed8892af470fdacdb76536cfdc940a77566bc
Signed-off-by: Automerger Merge Worker <[email protected]>