Remove "@" from FQName.mVersion.

FQName::version() no longer returns the version
with the "@" prefix.

Removed FQName::getPackageFullVersion(). Use
FQName::version() instead.

Test: mma
Test: hidl_test
Bug: 31914582
Change-Id: Iaf05dd17aa338ebb631805badaabcf5abf1b261e
diff --git a/generateVts.cpp b/generateVts.cpp
index 35eb0d0..d2e943f 100644
--- a/generateVts.cpp
+++ b/generateVts.cpp
@@ -102,7 +102,7 @@
     Formatter out(file);
 
     out << "component_class: HAL_HIDL\n";
-    out << "component_type_version: " << mPackage.getPackageFullVersion()
+    out << "component_type_version: " << mPackage.version()
         << "\n";
     out << "component_name: \""
         << (isInterface ? ifaceName : "types")