cashew: Service: set "in progress" flag before requesting usage update

src/service.cc

Index: src/service.cc
diff --git a/src/service.cc b/src/service.cc
index e2562ee7322f2b6ae8d0a41b63ad53f1278c2695..0735bfc55f6252a2fb301027e487b33168a959db 100644
--- a/src/service.cc
+++ b/src/service.cc
@@ -496,11 +496,12 @@ void Service::RequestUsageUpdate() {
   // allows this request (e.g., if we can only make API requests over the
   // cellular service itself, is this service the default route?)
 
+  request_in_progress_ = true;
   if (!provider_->RequestUsageUpdate()) {
     DLOG(WARNING) << path_ << ": RequestUsageUpdate: request failed";
+    request_in_progress_ = false;
   } else {
     DLOG(INFO) << path_ << ": RequestUsageUpdate: request succeeded";
-    request_in_progress_ = true;
   }
 }