refactoring: remove superfluous "extern crate"
-#[cfg(target_os = "android")]
-extern crate android_logger;
-#[macro_use]
-extern crate log;
-extern crate log_panics;
-
#[cfg(target_os = "android")]
mod android_c_headers;
#[cfg(target_os = "android")]
mod java_glue;
+
#[cfg(target_os = "android")]
pub use crate::java_glue::*;
+use log::info;
struct Session {
a: i32,
