Make extra APEXes available to payload

Bug: 391225143
Test: apply aosp/3455572, run `vm_shell.sh start-microdroid
--auto-connect -- --debug full`. Check if the following line is shown.

01-21 04:36:29.358    70    70 I microdroid_launcher: Linked APEX
namespace com_android_i18n with shared libs
libicui18n.so:libicuuc.so:libicu_jni.so:libandroidicu.so:libicu.so

Change-Id: Ifd94b4181fa686e1060db582fe13cad84c770b53
diff --git a/guest/microdroid_launcher/Android.bp b/guest/microdroid_launcher/Android.bp
index 42c18cb..893ee98 100644
--- a/guest/microdroid_launcher/Android.bp
+++ b/guest/microdroid_launcher/Android.bp
@@ -12,5 +12,10 @@
         "libdl_android",
         "liblog",
     ],
+    static_libs: [
+        "libapexutil",
+        "libprotobuf-cpp-lite",
+        "lib_apex_manifest_proto_lite",
+    ],
     header_libs: ["vm_payload_headers"],
 }