Mark oemhook related APIs @Deprecated.

Test: none
Bug: 34344851
Change-Id: I300f39c9ffe31179feb1ed8e5c1ce47288bd8023
diff --git a/src/com/android/phone/PhoneInterfaceManager.java b/src/com/android/phone/PhoneInterfaceManager.java
index c8b609a..ce840a6 100644
--- a/src/com/android/phone/PhoneInterfaceManager.java
+++ b/src/com/android/phone/PhoneInterfaceManager.java
@@ -2883,6 +2883,7 @@
     }
 
     @Override
+    @Deprecated
     public int invokeOemRilRequestRaw(byte[] oemReq, byte[] oemResp) {
         enforceModifyPermission();