Make bitreader available to product and vendor am: e192529ed8 am: 7642b746a0 am: 0fb946a07f am: 5129762bc2

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/bitreader/+/2476080

Change-Id: I2a4e464f2386efa1a11355e210f5bf3712a82431
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>