Add LAUNCH_MULTI_PANE_SETTINGS_DEEP_LINK permission to Shell

So we can test system APIs in cts.

Bug: 201017875
Test: atest android.settings.cts.SettingsMultiPaneDeepLinkTest
Ignore-AOSP-First: There are merge conflicts in master. So uploading to
    master.
Change-Id: I8bedd571a4d3385042533fe7dd5ded250894d14a
Merged-In: I8bedd571a4d3385042533fe7dd5ded250894d14a
diff --git a/packages/Shell/AndroidManifest.xml b/packages/Shell/AndroidManifest.xml
index f59f099..abd010d 100644
--- a/packages/Shell/AndroidManifest.xml
+++ b/packages/Shell/AndroidManifest.xml
@@ -589,6 +589,9 @@
     <!-- Permission required to run GtsAssistantTestCases -->
     <uses-permission android:name="android.permission.MANAGE_VOICE_KEYPHRASES" />
 
+    <!-- Permission required for CTS test - SettingsMultiPaneDeepLinkTest -->
+    <uses-permission android:name="android.permission.LAUNCH_MULTI_PANE_SETTINGS_DEEP_LINK" />
+
     <application android:label="@string/app_label"
                 android:theme="@android:style/Theme.DeviceDefault.DayNight"
                 android:defaultToDeviceProtectedStorage="true"