Report key request message type for unprefixed EME

bug: 19771299
Change-Id: I02f0a4532b5ea8a7e680d71f45ac0da06879f3d6
diff --git a/include/media/IDrm.h b/include/media/IDrm.h
index affcbd7..9449beb6 100644
--- a/include/media/IDrm.h
+++ b/include/media/IDrm.h
@@ -47,7 +47,8 @@
                       Vector<uint8_t> const &initData,
                       String8 const &mimeType, DrmPlugin::KeyType keyType,
                       KeyedVector<String8, String8> const &optionalParameters,
-                      Vector<uint8_t> &request, String8 &defaultUrl) = 0;
+                      Vector<uint8_t> &request, String8 &defaultUrl,
+                      DrmPlugin::KeyRequestType *keyRequestType) = 0;
 
     virtual status_t provideKeyResponse(Vector<uint8_t> const &sessionId,
                                         Vector<uint8_t> const &response,