Pressing back button twice really quickly no longer crashes dialer.

Bug: 72319656
Test: manual
PiperOrigin-RevId: 182947143
Change-Id: I70ed303ba8cdb64591ab6debf60eef540aacea73
diff --git a/java/com/android/dialer/main/impl/toolbar/SearchBarView.java b/java/com/android/dialer/main/impl/toolbar/SearchBarView.java
index c84b8fc..9592938 100644
--- a/java/com/android/dialer/main/impl/toolbar/SearchBarView.java
+++ b/java/com/android/dialer/main/impl/toolbar/SearchBarView.java
@@ -82,6 +82,10 @@
   }
 
   private void onSearchBackButtonClicked() {
+    if (!isExpanded) {
+      return;
+    }
+
     listener.onSearchBackButtonClicked();
     collapse(true);
   }