Add 'stubs' to libandroid

In order to exclude libandroid.so + its dependent libraries from the apex.

Test: build and check if libandroid.so is excluded in the media apex
Bug: 112766913
Change-Id: I5f1c5692a5395cf673d7868e0a429767d639720f

native/android/Android.bp

@@ -78,6 +78,10 @@ cc_library_shared {
     include_dirs: ["bionic/libc/dns/include"],
 
     version_script: "libandroid.map.txt",
+    stubs: {
+        symbol_file: "libandroid.map.txt",
+        versions: ["29"],
+    },
 }
 
 // Network library.