Implement shared heap for AOT (#3815)

samples/shared-heap/wasm-apps/test2.c

@@ -8,11 +8,11 @@
 #include <stdio.h>
 
 extern void
-shared_free(void *ptr);
+shared_heap_free(void *ptr);
 
 void
 print_buf(char *buf)
 {
     printf("wasm app2's wasm func received buf: %s\n\n", buf);
-    shared_free(buf);
+    shared_heap_free(buf);
 }