Fix for bug 4371230.
- Generate unique ID for each DrmManagerClient in native side
- Fix the bug where multiple clients could use the same ID
- Return the correct unique ID back to Java
- Add a flag in the unique ID to separate native client and Java client

Change-Id: Ia4574b6b0a526f2335a65380975dc62f9a6e7f9b
diff --git a/drm/drmserver/DrmManagerService.cpp b/drm/drmserver/DrmManagerService.cpp
index 583669e..7ebcac3 100644
--- a/drm/drmserver/DrmManagerService.cpp
+++ b/drm/drmserver/DrmManagerService.cpp
@@ -78,8 +78,8 @@
     delete mDrmManager; mDrmManager = NULL;
 }
 
-int DrmManagerService::addUniqueId(int uniqueId) {
-    return mDrmManager->addUniqueId(uniqueId);
+int DrmManagerService::addUniqueId(bool isNative) {
+    return mDrmManager->addUniqueId(isNative);
 }
 
 void DrmManagerService::removeUniqueId(int uniqueId) {