skip permission check for TelephonyManager API getMmsUserAgent

Bug: 133637995
Test: Manual test
Change-Id: I4d41e96de6662e9d16825554192114d74afb8551
(cherry picked from commit d5ca2d5418cd4e4cdbc268f8b8579e80cd89efce)
diff --git a/src/com/android/phone/PhoneInterfaceManager.java b/src/com/android/phone/PhoneInterfaceManager.java
index a2a7269..ed1de19 100755
--- a/src/com/android/phone/PhoneInterfaceManager.java
+++ b/src/com/android/phone/PhoneInterfaceManager.java
@@ -7066,4 +7066,28 @@
                 PickSmsSubscriptionActivity.SMS_PICK_FOR_MESSAGE);
         mApp.startActivity(intent);
     }
+
+    @Override
+    public String getMmsUAProfUrl(int subId) {
+        //TODO investigate if this API should require proper permission check in R b/133791609
+        final long identity = Binder.clearCallingIdentity();
+        try {
+            return SubscriptionManager.getResourcesForSubId(getDefaultPhone().getContext(), subId)
+                    .getString(com.android.internal.R.string.config_mms_user_agent_profile_url);
+        } finally {
+            Binder.restoreCallingIdentity(identity);
+        }
+    }
+
+    @Override
+    public String getMmsUserAgent(int subId) {
+        //TODO investigate if this API should require proper permission check in R b/133791609
+        final long identity = Binder.clearCallingIdentity();
+        try {
+            return SubscriptionManager.getResourcesForSubId(getDefaultPhone().getContext(), subId)
+                    .getString(com.android.internal.R.string.config_mms_user_agent);
+        } finally {
+            Binder.restoreCallingIdentity(identity);
+        }
+    }
 }