Fix SE permissions.

Change-Id: I83f79bc7a5f3227ef4a8222dc879beda53a8ab31
diff --git a/src/com/android/nfc/NfcService.java b/src/com/android/nfc/NfcService.java
index 322e420..bd9411d 100755
--- a/src/com/android/nfc/NfcService.java
+++ b/src/com/android/nfc/NfcService.java
@@ -619,7 +619,7 @@
         }
 
         public INfcSecureElement getNfcSecureElementInterface() {
-            mContext.enforceCallingOrSelfPermission(NFC_PERM, NFC_PERM_ERROR);
+            mContext.enforceCallingOrSelfPermission(ADMIN_PERM, ADMIN_PERM_ERROR);
             return mSecureElementService;
         }
 
@@ -1815,6 +1815,8 @@
     private INfcSecureElement mSecureElementService = new INfcSecureElement.Stub() {
 
         public int openSecureElementConnection() throws RemoteException {
+            mContext.enforceCallingOrSelfPermission(ADMIN_PERM, ADMIN_PERM_ERROR);
+
             Log.d(TAG, "openSecureElementConnection");
             int handle;
 
@@ -1850,6 +1852,7 @@
 
         public int closeSecureElementConnection(int nativeHandle)
                 throws RemoteException {
+            mContext.enforceCallingOrSelfPermission(ADMIN_PERM, ADMIN_PERM_ERROR);
 
             // Check if NFC is enabled
             if (!mIsNfcEnabled) {
@@ -1899,6 +1902,8 @@
 
         public int[] getSecureElementTechList(int nativeHandle)
                 throws RemoteException {
+            mContext.enforceCallingOrSelfPermission(ADMIN_PERM, ADMIN_PERM_ERROR);
+
             // Check if NFC is enabled
             if (!mIsNfcEnabled) {
                 return null;
@@ -1926,6 +1931,8 @@
 
         public byte[] getSecureElementUid(int nativeHandle)
                 throws RemoteException {
+            mContext.enforceCallingOrSelfPermission(ADMIN_PERM, ADMIN_PERM_ERROR);
+
             byte[] uid;
 
             // Check if NFC is enabled
@@ -1955,6 +1962,8 @@
 
         public byte[] exchangeAPDU(int nativeHandle, byte[] data)
                 throws RemoteException {
+            mContext.enforceCallingOrSelfPermission(ADMIN_PERM, ADMIN_PERM_ERROR);
+
             byte[] response;
 
             // Check if NFC is enabled