Add permissions to shell to enable testing

Adding MANAGE_WEAK_ESCROW_TOKEN and to Shell so the API can be called from tests.

Bug: 209632699
Test: Builds, boots. atest WeakEscrowTokenAutoFeatureTest
Ignore-AOSP-First: brand new permissions
Change-Id: If0a157903c605347a5b26625a735433caf27bcb1
diff --git a/packages/Shell/AndroidManifest.xml b/packages/Shell/AndroidManifest.xml
index 23c53a1..f63cc07 100644
--- a/packages/Shell/AndroidManifest.xml
+++ b/packages/Shell/AndroidManifest.xml
@@ -330,6 +330,9 @@
     <!-- Permission needed to run keyguard manager tests in CTS -->
     <uses-permission android:name="android.permission.CONTROL_KEYGUARD_SECURE_NOTIFICATIONS" />
 
+    <!-- Permission needed to add/remove weak escrow token in CTS tests -->
+    <uses-permission android:name="android.permission.MANAGE_WEAK_ESCROW_TOKEN" />
+
     <!-- Permission needed to set/clear/verify lockscreen credentials in CTS tests -->
     <uses-permission android:name="android.permission.SET_AND_VERIFY_LOCKSCREEN_CREDENTIALS" />