Separate sniffing from session initialization

This avoid lengthy/duplicate sniffing for drm plugins when a decrypt session is opened

o The change is backward compatibile in that no update is required
  for existing drm plug-ins if they do not plan to provide separate
  sniffer/extractor

related-to-bug: 5725548

Change-Id: I7fc4caf82d77472da4e2bc7b5d31060fb54fd84c
diff --git a/drm/libdrmframework/DrmManagerClientImpl.cpp b/drm/libdrmframework/DrmManagerClientImpl.cpp
index b222b8f..fb0439e 100644
--- a/drm/libdrmframework/DrmManagerClientImpl.cpp
+++ b/drm/libdrmframework/DrmManagerClientImpl.cpp
@@ -255,15 +255,19 @@
 }
 
 sp<DecryptHandle> DrmManagerClientImpl::openDecryptSession(
-            int uniqueId, int fd, off64_t offset, off64_t length) {
-    return getDrmManagerService()->openDecryptSession(uniqueId, fd, offset, length);
+            int uniqueId, int fd, off64_t offset,
+            off64_t length, const char* mime) {
+
+    return getDrmManagerService()->openDecryptSession(
+                uniqueId, fd, offset, length, mime);
 }
 
 sp<DecryptHandle> DrmManagerClientImpl::openDecryptSession(
-        int uniqueId, const char* uri) {
+        int uniqueId, const char* uri, const char* mime) {
+
     DecryptHandle* handle = NULL;
     if (NULL != uri) {
-        handle = getDrmManagerService()->openDecryptSession(uniqueId, uri);
+        handle = getDrmManagerService()->openDecryptSession(uniqueId, uri, mime);
     }
     return handle;
 }