Include package name in tron events.

Add this state to Runtime, together with a getter and setter to it can be
passed at zygote fork time.

The package name needs to be included in the event itself, as the PID/UID
also present are not used to look up the package name later.

Bug: 77517571
Test: m
Test: $ adb lolcat -b events | grep sysui_multi_action
Change-Id: I40ec89152b5ecc9a81555f2e74bc4f4b44b2bcac
diff --git a/runtime/hidden_api.cc b/runtime/hidden_api.cc
index e8918e7..eeddce4 100644
--- a/runtime/hidden_api.cc
+++ b/runtime/hidden_api.cc
@@ -165,6 +165,10 @@
   if (action_taken == kDeny) {
     log_maker.AddTaggedData(FIELD_HIDDEN_API_ACCESS_DENIED, 1);
   }
+  const std::string& package_name = Runtime::Current()->GetProcessPackageName();
+  if (!package_name.empty()) {
+    log_maker.SetPackageName(package_name);
+  }
   std::ostringstream signature_str;
   Dump(signature_str);
   log_maker.AddTaggedData(FIELD_HIDDEN_API_SIGNATURE, signature_str.str());