Fix build re: cts test for removal of installDrmEngine

b/9545965

Change-Id: I470e2e293566b97d1ec9e0c052a23f83275cfec4
diff --git a/tests/tests/drm/lib/TestPlugin.cpp b/tests/tests/drm/lib/TestPlugin.cpp
index d32ff96..5708909 100644
--- a/tests/tests/drm/lib/TestPlugin.cpp
+++ b/tests/tests/drm/lib/TestPlugin.cpp
@@ -96,7 +96,7 @@
     return false;
 }
 
-String8 TestPlugIn::onGetOriginalMimeType(int uniqueId, const String8& path) {
+String8 TestPlugIn::onGetOriginalMimeType(int uniqueId, const String8& path, int fd) {
     return String8("video/none");
 }
 
diff --git a/tests/tests/drm/lib/TestPlugin.h b/tests/tests/drm/lib/TestPlugin.h
index 3499aa0..40d4ec7 100644
--- a/tests/tests/drm/lib/TestPlugin.h
+++ b/tests/tests/drm/lib/TestPlugin.h
@@ -47,7 +47,7 @@
 
     DrmInfo* onAcquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInfoRequest);
 
-    String8 onGetOriginalMimeType(int uniqueId, const String8& path);
+    String8 onGetOriginalMimeType(int uniqueId, const String8& path, int fd);
 
     int onGetDrmObjectType(int uniqueId, const String8& path, const String8& mimeType);