Adjust test for the new internal permission protection level.

Bug: 158736025
Test: presubmit
Change-Id: I69a485c732865facb2e196aaee37aea4b6839b3b
diff --git a/tests/tests/permission2/src/android/permission2/cts/PermissionPolicyTest.java b/tests/tests/permission2/src/android/permission2/cts/PermissionPolicyTest.java
index beca150..8f62859 100644
--- a/tests/tests/permission2/src/android/permission2/cts/PermissionPolicyTest.java
+++ b/tests/tests/permission2/src/android/permission2/cts/PermissionPolicyTest.java
@@ -341,6 +341,9 @@
                     protectionLevel |= PermissionInfo.PROTECTION_SIGNATURE;
                     protectionLevel |= PermissionInfo.PROTECTION_FLAG_SYSTEM;
                 } break;
+                case "internal": {
+                    protectionLevel |= PermissionInfo.PROTECTION_INTERNAL;
+                } break;
                 case "system": {
                     protectionLevel |= PermissionInfo.PROTECTION_FLAG_SYSTEM;
                 } break;