Android 14.0.0 release 38
Use version 2.x of the protobuf crate am: 6bdf5d4ca0 am: 3edc50751a am: 2a5353bb5e am: a472ee8bd8

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/grpcio-compiler/+/2502376

Change-Id: Ibfc457d04b98ab369bc50a6e00f48e70bed75081
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>