Replace is_interactive with interactive for consistency in the code.

Bug: none
Test: unittests
Change-Id: I8c98860cfeadb52c7f8e4931d2ad154ae4211d47
diff --git a/payload_consumer/download_action.h b/payload_consumer/download_action.h
index 81d7333..6e6f057 100644
--- a/payload_consumer/download_action.h
+++ b/payload_consumer/download_action.h
@@ -79,7 +79,7 @@
                  HardwareInterface* hardware,
                  SystemState* system_state,
                  HttpFetcher* http_fetcher,
-                 bool is_interactive);
+                 bool interactive);
   ~DownloadAction() override;
 
   // InstallPlanAction overrides.
@@ -158,7 +158,7 @@
   // If |true|, the update is user initiated (vs. periodic update checks). Hence
   // the |delta_performer_| can decide not to use O_DSYNC flag for faster
   // update.
-  bool is_interactive_;
+  bool interactive_;
 
   // The FileWriter that downloaded data should be written to. It will
   // either point to *decompressing_file_writer_ or *delta_performer_.