virtualizationservice: lazy-load ApexInfoList

Loading ApexInfoList can't be used to initialize VirtualizationService
because when it fails VirtualizationService enters into infinite loop
due to service restart.

Now it is loaded lazily.

Bug: 192892281
Test: MicrodroidHostTestCases
Change-Id: I3c082d200549c348ff8fa03ff25ca73f9fb694cd
diff --git a/virtualizationservice/src/main.rs b/virtualizationservice/src/main.rs
index 3f2e99c..658203b 100644
--- a/virtualizationservice/src/main.rs
+++ b/virtualizationservice/src/main.rs
@@ -39,7 +39,7 @@
         android_logger::Config::default().with_tag(LOG_TAG).with_min_level(Level::Trace),
     );
 
-    let service = VirtualizationService::new().unwrap();
+    let service = VirtualizationService::default();
     let service = BnVirtualizationService::new_binder(
         service,
         BinderFeatures { set_requesting_sid: true, ..BinderFeatures::default() },