Generate apex_available from c2a instead of a patch am: 32f926acec am: 01c6827421 am: fd5d2d7cc5 am: 7a1e406b1f

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/log/+/1688982

Change-Id: I11f2d55e8f8eeaf66f22deabd4f068d48ad5ac55