MultiProgressMonitor: Rename write flag

If write is set to false it means that the client has disconnected.
Rename the write flag to make this clearer.

Signed-off-by: Edwin Kempin <ekempin@google.com>
Change-Id: I0f614cbcb3e386b8127ef4adab60b7f7f88dd8ae
diff --git a/java/com/google/gerrit/server/git/MultiProgressMonitor.java b/java/com/google/gerrit/server/git/MultiProgressMonitor.java
index 2d854a5..1122551 100644
--- a/java/com/google/gerrit/server/git/MultiProgressMonitor.java
+++ b/java/com/google/gerrit/server/git/MultiProgressMonitor.java
@@ -131,7 +131,7 @@
   private int spinnerIndex;
   private char spinnerState = NO_SPINNER;
   private boolean done;
-  private boolean write = true;
+  private boolean clientDisconnected;
 
   private final long maxIntervalNanos;
 
@@ -343,14 +343,14 @@
   }
 
   private void send(StringBuilder s) {
-    if (write) {
+    if (!clientDisconnected) {
       try {
         out.write(Constants.encode(s.toString()));
         out.flush();
       } catch (IOException e) {
         logger.atWarning().withCause(e).log(
             "Sending progress to client failed. Stop sending updates for task %s", taskName);
-        write = false;
+        clientDisconnected = true;
       }
     }
   }