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

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

Change-Id: I53b04fe6a18ec6f5c0658fbf05ad4f11c341775d