fix #10450

Author: yichoi

src/test/run-pass/core-run-destroy.rs

@@ -22,13 +22,23 @@ use std::io;
 
 #[test]
 fn test_destroy_once() {
-    let mut p = run::Process::new("echo", [], run::ProcessOptions::new());
+    #[cfg(not(target_os="android"))]
+    static PROG: &'static str = "echo";
+    #[cfg(target_os="android")]
+    static PROG: &'static str = "ls"; // android don't have echo binary
+
+    let mut p = run::Process::new(PROG, [], run::ProcessOptions::new());
     p.destroy(); // this shouldn't crash (and nor should the destructor)
 }
 
 #[test]
 fn test_destroy_twice() {
-    let mut p = run::Process::new("echo", [], run::ProcessOptions::new());
+    #[cfg(not(target_os="android"))]
+    static PROG: &'static str = "echo";
+    #[cfg(target_os="android")]
+    static PROG: &'static str = "ls"; // android don't have echo binary
+
+    let mut p = run::Process::new(PROG, [], run::ProcessOptions::new());
     p.destroy(); // this shouldnt crash...
     do io::io_error::cond.trap(|_| {}).inside {
         p.destroy(); // ...and nor should this (and nor should the destructor)