Merge cherrypicks of ['googleplex-android-review.googlesource.com/26603167', 'googleplex-android-review.googlesource.com/26593225', 'googleplex-android-review.googlesource.com/26617299', 'googleplex-android-review.googlesource.com/26601517'] into 24Q2-release.

Change-Id: I6306b3fa5617861f998edbe9bb2cf9bdd93397ca
diff --git a/core/java/com/android/internal/widget/EmphasizedNotificationButton.java b/core/java/com/android/internal/widget/EmphasizedNotificationButton.java
index 3e065bf..01b4569 100644
--- a/core/java/com/android/internal/widget/EmphasizedNotificationButton.java
+++ b/core/java/com/android/internal/widget/EmphasizedNotificationButton.java
@@ -171,7 +171,9 @@
             return;
         }
 
-        prepareIcon(icon);
+        if (icon != null) {
+            prepareIcon(icon);
+        }
 
         mIconToGlue = icon;
         mGluePending = true;
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipTaskOrganizer.java b/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipTaskOrganizer.java
index 87e372c..bd186ba 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipTaskOrganizer.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipTaskOrganizer.java
@@ -1368,7 +1368,7 @@
      * Handles all changes to the PictureInPictureParams.
      */
     protected void applyNewPictureInPictureParams(@NonNull PictureInPictureParams params) {
-        if (mDeferredTaskInfo != null || PipUtils.aspectRatioChanged(params.getAspectRatioFloat(),
+        if (PipUtils.aspectRatioChanged(params.getAspectRatioFloat(),
                 mPictureInPictureParams.getAspectRatioFloat())) {
             if (mPipBoundsAlgorithm.isValidPictureInPictureAspectRatio(
                     params.getAspectRatioFloat())) {
@@ -1381,8 +1381,7 @@
                         TAG, params.hasSetAspectRatio(), params.getAspectRatioFloat());
             }
         }
-        if (mDeferredTaskInfo != null
-                || PipUtils.remoteActionsChanged(params.getActions(),
+        if (PipUtils.remoteActionsChanged(params.getActions(),
                 mPictureInPictureParams.getActions())
                 || !PipUtils.remoteActionsMatch(params.getCloseAction(),
                 mPictureInPictureParams.getCloseAction())) {
diff --git a/services/core/java/com/android/server/policy/PhoneWindowManager.java b/services/core/java/com/android/server/policy/PhoneWindowManager.java
index 3afaf5a..443f776 100644
--- a/services/core/java/com/android/server/policy/PhoneWindowManager.java
+++ b/services/core/java/com/android/server/policy/PhoneWindowManager.java
@@ -1914,6 +1914,7 @@
             accessibilityManager.performSystemAction(
                     AccessibilityService.GLOBAL_ACTION_ACCESSIBILITY_ALL_APPS);
         }
+        dismissKeyboardShortcutsMenu();
     }
 
     private void toggleNotificationPanel() {
diff --git a/services/core/java/com/android/server/wm/RecentTasks.java b/services/core/java/com/android/server/wm/RecentTasks.java
index dd14642..4a09e8d 100644
--- a/services/core/java/com/android/server/wm/RecentTasks.java
+++ b/services/core/java/com/android/server/wm/RecentTasks.java
@@ -1258,6 +1258,11 @@
                 continue;
             }
 
+            if (otherTask.topRunningActivity() == null) {
+                // Skip if there's no running activity in the Task.
+                continue;
+            }
+
             // Stop searching if the task has higher z-ordering, or increase the index and
             // continue the search.
             if (task.compareTo(otherTask) > 0) {
diff --git a/services/tests/wmtests/src/com/android/server/wm/RecentTasksTest.java b/services/tests/wmtests/src/com/android/server/wm/RecentTasksTest.java
index f7c253d..bfa191e 100644
--- a/services/tests/wmtests/src/com/android/server/wm/RecentTasksTest.java
+++ b/services/tests/wmtests/src/com/android/server/wm/RecentTasksTest.java
@@ -1210,9 +1210,11 @@
     @Test
     public void addTask_tasksAreAddedAccordingToZOrder() {
         final Task firstTask = new TaskBuilder(mSupervisor).setTaskId(1)
-                .setWindowingMode(WINDOWING_MODE_FREEFORM).build();
+                .setWindowingMode(WINDOWING_MODE_FREEFORM)
+                .setCreateActivity(true).build();
         final Task secondTask = new TaskBuilder(mSupervisor).setTaskId(2)
-                .setWindowingMode(WINDOWING_MODE_FREEFORM).build();
+                .setWindowingMode(WINDOWING_MODE_FREEFORM)
+                .setCreateActivity(true).build();
 
         assertEquals(-1, firstTask.compareTo(secondTask));