Make bitflags available to product and vendor am: 19a0ccbdab am: 834363264d am: cdebc8bf60

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/bitflags/+/2476325

Change-Id: I9c4a94212a53ee10ec80541a6c7b47278ae6ebd0
Signed-off-by: Automerger Merge Worker <[email protected]>