Dismiss keyboard when leaving AllApps state

Fix: 221024791
Test: Launcher3 dismiss keyboard when leaving AllApps
Test: NexusLauncher can still open keyboard automatically in AllApps
Change-Id: I61b50e3fc4c6ed83bd5234c5daef3b2cb428b520
diff --git a/src/com/android/launcher3/allapps/AllAppsTransitionController.java b/src/com/android/launcher3/allapps/AllAppsTransitionController.java
index cdc313f..14c67de 100644
--- a/src/com/android/launcher3/allapps/AllAppsTransitionController.java
+++ b/src/com/android/launcher3/allapps/AllAppsTransitionController.java
@@ -44,6 +44,7 @@
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.statemanager.StateManager.StateHandler;
 import com.android.launcher3.states.StateAnimationConfig;
+import com.android.launcher3.util.UiThreadHelper;
 import com.android.launcher3.views.ScrimView;
 
 /**
@@ -151,6 +152,10 @@
     @Override
     public void setStateWithAnimation(LauncherState toState,
             StateAnimationConfig config, PendingAnimation builder) {
+        if (NORMAL.equals(toState) && mLauncher.isInState(ALL_APPS)) {
+            UiThreadHelper.hideKeyboardAsync(mLauncher, mLauncher.getAppsView().getWindowToken());
+        }
+
         float targetProgress = toState.getVerticalProgress(mLauncher);
         if (Float.compare(mProgress, targetProgress) == 0) {
             setAlphas(toState, config, builder);