Add new MANAGE_SEARCH_UI permission for the cts test

Bug: 162234997
Test: cts test runs only with this CL
Change-Id: I42b3456fc655851c052115b888617213be629c61

packages/Shell/AndroidManifest.xml

@@ -154,6 +154,7 @@
     <uses-permission android:name="android.permission.MANAGE_CONTENT_CAPTURE" />
     <uses-permission android:name="android.permission.MANAGE_CONTENT_SUGGESTIONS" />
     <uses-permission android:name="android.permission.MANAGE_APP_PREDICTIONS" />
+    <uses-permission android:name="android.permission.MANAGE_SEARCH_UI" />
     <uses-permission android:name="android.permission.NETWORK_SETTINGS" />
     <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
     <uses-permission android:name="android.permission.SET_TIME" />