Don't use pie on Android

src/librustc_back/target/arm_linux_androideabi.rs

@@ -16,6 +16,8 @@ pub fn target() -> Target {
     // Many of the symbols defined in compiler-rt are also defined in libgcc.  Android
     // linker doesn't like that by default.
     base.pre_link_args.push("-Wl,--allow-multiple-definition".to_string());
+    // FIXME #17437 (and #17448): Android doesn't support position dependant executables anymore.
+    base.position_independant_executables = false;
 
     Target {
         data_layout: "e-p:32:32:32\