Allow the shell to start task overlay activities.

- Fix issue with testFinishPipActivityWithTaskOverlay failing due to
  new permission check in the system

Bug: 71716434
Test: atest CtsActivityManagerDeviceTestCases:ActivityManagerPinnedStackTests#testFinishPipActivityWithTaskOverlay

Change-Id: Ifbcd6c182d928f5aa5372d2db9fa71a142dc8474
diff --git a/packages/Shell/AndroidManifest.xml b/packages/Shell/AndroidManifest.xml
index 589ae2a..b49f1ac 100644
--- a/packages/Shell/AndroidManifest.xml
+++ b/packages/Shell/AndroidManifest.xml
@@ -121,6 +121,7 @@
     <uses-permission android:name="android.permission.MANAGE_APP_OPS_MODES" />
     <uses-permission android:name="android.permission.VIBRATE" />
     <uses-permission android:name="android.permission.MANAGE_ACTIVITY_STACKS" />
+    <uses-permission android:name="android.permission.START_TASKS_FROM_RECENTS" />
     <uses-permission android:name="android.permission.ACTIVITY_EMBEDDING" />
     <uses-permission android:name="android.permission.CONNECTIVITY_INTERNAL" />
     <uses-permission android:name="android.permission.CHANGE_COMPONENT_ENABLED_STATE" />