android: Add getauxval for 32-bit targets

Author: taiki-e

libc-test/semver/android.txt

@@ -3329,6 +3329,7 @@ fwrite_unlocked
 gai_strerror
 genlmsghdr
 getaddrinfo
+getauxval
 getchar
 getchar_unlocked
 getcwd

src/unix/linux_like/android/b64/mod.rs

@@ -305,7 +305,6 @@ f! {
 }
 
 extern "C" {
-    pub fn getauxval(type_: c_ulong) -> c_ulong;
     pub fn __system_property_wait(
         pi: *const crate::prop_info,
         __old_serial: u32,

src/unix/linux_like/android/mod.rs

@@ -4030,6 +4030,8 @@ extern "C" {
 
     pub fn gettid() -> crate::pid_t;
 
+    pub fn getauxval(type_: c_ulong) -> c_ulong;
+
     /// Only available in API Version 28+
     pub fn getrandom(buf: *mut c_void, buflen: size_t, flags: c_uint) -> ssize_t;
     pub fn getentropy(buf: *mut c_void, buflen: size_t) -> c_int;