Cancel launcher app transition when changing states

The app transition might change an object that the new
state depends on, causing an inconsistent state.

Bug: 72816542
Change-Id: Ia6dd52971b52be5589c88f4f6d93d06146fbadab
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 7595793..fd9b61a 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -20,7 +20,6 @@
 import static android.content.pm.ActivityInfo.CONFIG_SCREEN_SIZE;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
-
 import static com.android.launcher3.ItemInfoWithIcon.FLAG_DISABLED_BY_PUBLISHER;
 import static com.android.launcher3.ItemInfoWithIcon.FLAG_DISABLED_LOCKED_USER;
 import static com.android.launcher3.ItemInfoWithIcon.FLAG_DISABLED_QUIET_USER;
@@ -40,7 +39,6 @@
 import android.animation.ValueAnimator;
 import android.annotation.SuppressLint;
 import android.annotation.TargetApi;
-import android.app.ActivityOptions;
 import android.app.AlertDialog;
 import android.appwidget.AppWidgetHostView;
 import android.appwidget.AppWidgetManager;
@@ -55,14 +53,12 @@
 import android.content.IntentSender;
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
-import android.content.pm.ActivityInfo;
 import android.content.pm.PackageManager;
 import android.content.res.Configuration;
 import android.database.sqlite.SQLiteDatabase;
 import android.graphics.Point;
 import android.graphics.PointF;
 import android.graphics.Rect;
-import android.graphics.drawable.Drawable;
 import android.os.AsyncTask;
 import android.os.Build;
 import android.os.Bundle;
@@ -446,6 +442,10 @@
         return mStateManager;
     }
 
+    public LauncherAppTransitionManager getAppTransitionManager() {
+        return mAppTransitionManager;
+    }
+
     protected void overrideTheme(boolean isDark, boolean supportsDarkText) {
         if (isDark) {
             setTheme(R.style.LauncherThemeDark);