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/drmserver/DrmManagerService.cpp b/drm/drmserver/DrmManagerService.cpp
index df17ac5..caeb026 100644
--- a/drm/drmserver/DrmManagerService.cpp
+++ b/drm/drmserver/DrmManagerService.cpp
@@ -208,20 +208,20 @@
 }
 
 DecryptHandle* DrmManagerService::openDecryptSession(
-            int uniqueId, int fd, off64_t offset, off64_t length) {
+            int uniqueId, int fd, off64_t offset, off64_t length, const char* mime) {
     ALOGV("Entering DrmManagerService::openDecryptSession");
     if (isProtectedCallAllowed()) {
-        return mDrmManager->openDecryptSession(uniqueId, fd, offset, length);
+        return mDrmManager->openDecryptSession(uniqueId, fd, offset, length, mime);
     }
 
     return NULL;
 }
 
 DecryptHandle* DrmManagerService::openDecryptSession(
-            int uniqueId, const char* uri) {
+            int uniqueId, const char* uri, const char* mime) {
     ALOGV("Entering DrmManagerService::openDecryptSession with uri");
     if (isProtectedCallAllowed()) {
-        return mDrmManager->openDecryptSession(uniqueId, uri);
+        return mDrmManager->openDecryptSession(uniqueId, uri, mime);
     }
 
     return NULL;