init: delay 'user root' test to W+

We'll make it a build time check in V after this.

Due to being a runtime flog, it was hard to spot and
debug, so delaying.

Bug: 340953047
Test: boot, CtsInitTestCases
Change-Id: Ica1a1c780e230c88615dad7937404d2b0fe9c68f
diff --git a/init/host_init_stubs.h b/init/host_init_stubs.h
index 753ed6b..2fef9d3 100644
--- a/init/host_init_stubs.h
+++ b/init/host_init_stubs.h
@@ -32,6 +32,7 @@
 #define __ANDROID_API_S__ 31
 #define __ANDROID_API_T__ 33
 #define __ANDROID_API_U__ 34
+#define __ANDROID_API_V__ 35
 
 // sys/system_properties.h
 #define PROP_VALUE_MAX 92
diff --git a/init/init_test.cpp b/init/init_test.cpp
index 7e8513b..b2f586b 100644
--- a/init/init_test.cpp
+++ b/init/init_test.cpp
@@ -630,7 +630,7 @@
 
     ASSERT_TRUE(parser.ParseConfig(tf.path));
 
-    if (GetIntProperty("ro.vendor.api_level", 0) > __ANDROID_API_U__) {
+    if (GetIntProperty("ro.vendor.api_level", 0) > __ANDROID_API_V__) {
         ASSERT_EQ(1u, parser.parse_error_count());
     } else {
         ASSERT_EQ(0u, parser.parse_error_count());
diff --git a/init/service_parser.cpp b/init/service_parser.cpp
index 92e350b..6f3e368 100644
--- a/init/service_parser.cpp
+++ b/init/service_parser.cpp
@@ -680,12 +680,12 @@
     }
 
     if (service_->proc_attr_.parsed_uid == std::nullopt) {
-        if (android::base::GetIntProperty("ro.vendor.api_level", 0) > __ANDROID_API_U__) {
+        if (android::base::GetIntProperty("ro.vendor.api_level", 0) > __ANDROID_API_V__) {
             return Error() << "No user specified for service '" << service_->name()
-                           << "'. Defaults to root.";
+                           << "', so it would have been root.";
         } else {
             LOG(WARNING) << "No user specified for service '" << service_->name()
-                         << "'. Defaults to root.";
+                         << "', so it is root.";
         }
     }