recovery: Reset optind to 1 after getopt

The getopt library exposes optind which is the
next index to be processed. When scanning is
restarted, optind has to be reset to 1.

Test: Recovery works
Bug: 78793464
Change-Id: I1efca3fb985ffbdfe91e43767469733cda6e7d5b

recovery.cpp

@@ -1049,6 +1049,7 @@ Device::BuiltinAction start_recovery(Device* device, const std::vector<std::stri
         continue;
     }
   }
+  optind = 1;
 
   printf("stage is [%s]\n", stage.c_str());
   printf("reason is [%s]\n", reason);

recovery_main.cpp

@@ -317,6 +317,7 @@ int main(int argc, char** argv) {
       }
     }
   }
+  optind = 1;
 
   if (locale.empty()) {
     if (has_cache) {