Import macro directly rather than using #[macro_use].

`extern crate` makes it harder to keep track of dependencies, so we
prefer to import macros explicitly instead.

Bug: 261037227
Test: m example_rust_fuzzer
Change-Id: Ibf4d4b0f1731ea9ffedac07c3259518f7006b2ad
1 file changed
tree: c0b5d7883c36fbe07735f04234cfe0e58cded125
  1. fuzzing/
  2. gdb/
  3. remote_provisioning/
  4. sanitizer-status/
  5. CleanSpec.mk
  6. OWNERS
  7. PREUPLOAD.cfg