Remove a redundant @NonNull annotation of a void method.

Bug: 269078018
Test: n/a
Change-Id: Id2512bb9eb4d1f67dc72decf0037dec6e85406c0
diff --git a/core/api/system-current.txt b/core/api/system-current.txt
index 221f2f8..5be532e 100644
--- a/core/api/system-current.txt
+++ b/core/api/system-current.txt
@@ -3233,7 +3233,7 @@
     method @RequiresPermission(android.Manifest.permission.CREATE_VIRTUAL_DEVICE) public void registerIntentInterceptor(@NonNull android.content.IntentFilter, @NonNull java.util.concurrent.Executor, @NonNull android.companion.virtual.VirtualDeviceManager.IntentInterceptorCallback);
     method public void removeActivityListener(@NonNull android.companion.virtual.VirtualDeviceManager.ActivityListener);
     method public void removeSoundEffectListener(@NonNull android.companion.virtual.VirtualDeviceManager.SoundEffectListener);
-    method @NonNull @RequiresPermission(android.Manifest.permission.CREATE_VIRTUAL_DEVICE) public void setShowPointerIcon(boolean);
+    method @RequiresPermission(android.Manifest.permission.CREATE_VIRTUAL_DEVICE) public void setShowPointerIcon(boolean);
     method @RequiresPermission(android.Manifest.permission.CREATE_VIRTUAL_DEVICE) public void unregisterIntentInterceptor(@NonNull android.companion.virtual.VirtualDeviceManager.IntentInterceptorCallback);
   }
 
diff --git a/core/java/android/companion/virtual/VirtualDeviceManager.java b/core/java/android/companion/virtual/VirtualDeviceManager.java
index 6cc4c8a..bd72fdd 100644
--- a/core/java/android/companion/virtual/VirtualDeviceManager.java
+++ b/core/java/android/companion/virtual/VirtualDeviceManager.java
@@ -848,7 +848,6 @@
          *                        visibility is true.
          */
         @RequiresPermission(android.Manifest.permission.CREATE_VIRTUAL_DEVICE)
-        @NonNull
         public void setShowPointerIcon(boolean showPointerIcon) {
             try {
                 mVirtualDevice.setShowPointerIcon(showPointerIcon);