Use_embedded_native_libs: true for APK-in-APEX

Previously, this was implied by the build system, but now it has to be
explicitly set.

See I836171aacba19dbfa0e09f16a773ae498c56d60b for the motivation.

Bug: N/A
Test: m
Change-Id: I0299c0ead8f4546df324b461ac21375e88b06d98
diff --git a/apex/empty-payload-apk/Android.bp b/apex/empty-payload-apk/Android.bp
index 01bf795..d890d9a 100644
--- a/apex/empty-payload-apk/Android.bp
+++ b/apex/empty-payload-apk/Android.bp
@@ -9,6 +9,7 @@
     apex_available: ["com.android.virt"],
     sdk_version: "system_current",
     jni_uses_platform_apis: true,
+    use_embedded_native_libs: true,
     min_sdk_version: "34",
     target_sdk_version: "34",
     compile_multilib: "first",