init: fix undefined behavior in ExecuteCommand

ExecuteCommand may change command_ vector which leads undefined behavior
This bug is found when adding logs in ExecuteCommand printing our Command class fields

Bug: 32838381
Test: on emulator
Change-Id: I96468bd2192ca80013871a3a6ac4132149363fff
diff --git a/init/action.cpp b/init/action.cpp
index e9b2a0d..acbb12e 100644
--- a/init/action.cpp
+++ b/init/action.cpp
@@ -105,7 +105,10 @@
 }
 
 void Action::ExecuteOneCommand(std::size_t command) const {
-    ExecuteCommand(commands_[command]);
+    // We need a copy here since some Command execution may result in
+    // changing commands_ vector by importing .rc files through parser
+    Command cmd = commands_[command];
+    ExecuteCommand(cmd);
 }
 
 void Action::ExecuteAllCommands() const {