Implement getInterfaceHash/Version (omapi)

As these interfaces get frozen for TM, java services
implementing the interfaces are required to implement getInterfaceHash
and getInterfaceVersion [1]

[1]
https://source.android.com/devices/architecture/aidl/stable-aidl#new-meta-interface-methods

Bug: 190577319
Test: m
Change-Id: I274f847ed8156acd0c4b288e306fcab2d380bcd5
Merged-In: I274f847ed8156acd0c4b288e306fcab2d380bcd5

omapi/java/android/se/omapi/SEService.java

@@ -118,6 +118,16 @@ public final class SEService {
                 });
             }
         }
+
+        @Override
+        public String getInterfaceHash() {
+            return ISecureElementListener.HASH;
+        }
+
+        @Override
+        public int getInterfaceVersion() {
+            return ISecureElementListener.VERSION;
+        }
     }
     private SEListener mSEListener = new SEListener();