If rollback_index is specified use it in the dice chain of pVM

Ideally the subcomponents part of the payload node should have both
version and security_version, but this is not the case for now. Hence we
just override the security_version with the value of rollback_index.

Bug: 378681279
Test: atest MicrodroidTests
Change-Id: I3c4ecb0f7d725bd76347bdac1caa62b3c9106e06
diff --git a/guest/microdroid_manager/src/verify.rs b/guest/microdroid_manager/src/verify.rs
index ec8d66e..2d46b1f 100644
--- a/guest/microdroid_manager/src/verify.rs
+++ b/guest/microdroid_manager/src/verify.rs
@@ -203,6 +203,7 @@
         cert_hash,
         package_name: manifest_info.package,
         version_code: manifest_info.version_code,
+        rollback_index: manifest_info.rollback_index,
     })
 }