Hiding the icon of notifications that were replied to

Because those notifications now stay around but the user
has already seen them, were hiding the icon instead.

Change-Id: I6b8590e31295ed79218698b1ac54df33b273d38c
Fixes: 78486801
Test: add notification, reply, observe icon gone
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/SmartReplyView.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/SmartReplyView.java
index cc802a8..7ef4dc3 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/SmartReplyView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/SmartReplyView.java
@@ -212,6 +212,7 @@
             Intent intent = new Intent().addFlags(Intent.FLAG_RECEIVER_FOREGROUND);
             RemoteInput.addResultsToIntent(new RemoteInput[]{remoteInput}, intent, results);
             RemoteInput.setResultsSource(intent, RemoteInput.SOURCE_CHOICE);
+            entry.setHasSentReply();
             try {
                 pendingIntent.send(context, 0, intent);
             } catch (PendingIntent.CanceledException e) {