[RSearches] Internal state should be reset when the panel is closed

(cherry picked from commit b1d9485)

Bug: 1314308
Change-Id: Ieddbaa269348e11b15109b699d9bdd62aee30a10
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3595704
Reviewed-by: Donn Denman <donnd@chromium.org>
Commit-Queue: Gang Wu <gangwu@chromium.org>
Cr-Original-Commit-Position: refs/heads/main@{#994399}
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3606195
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Auto-Submit: Gang Wu <gangwu@chromium.org>
Cr-Commit-Position: refs/branch-heads/5005@{#153}
Cr-Branched-From: 5b4d945-refs/heads/main@{#992738}

chrome/android/java/src/org/chromium/chrome/browser/compositor/bottombar/contextualsearch/ContextualSearchPanel.java

@@ -253,6 +253,9 @@ public void setPanelState(@PanelState int toState, @StateChangeReason int reason
             if (getBarBannerControl().isVisible()) {
                 getBarBannerControl().animateAppearance();
             }
+        }
+
+        if (toState == PanelState.CLOSED || toState == PanelState.UNDEFINED) {
             mManagementDelegate.onPanelFinishedShowing();
         }
 

chrome/android/java/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchManagementDelegate.java

@@ -80,7 +80,7 @@ public interface ContextualSearchManagementDelegate {
     void logCurrentState();
 
     /**
-     * Called when the Contextual Search panel's animation is finished and it's shown.
+     * Called when the Contextual Search panel is closed.
      */
     void onPanelFinishedShowing();