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/libdrmframework/include/IDrmManagerService.h b/drm/libdrmframework/include/IDrmManagerService.h
index 7727e55..b9618bb 100644
--- a/drm/libdrmframework/include/IDrmManagerService.h
+++ b/drm/libdrmframework/include/IDrmManagerService.h
@@ -81,7 +81,7 @@
     DECLARE_META_INTERFACE(DrmManagerService);
 
 public:
-    virtual int addUniqueId(int uniqueId) = 0;
+    virtual int addUniqueId(bool isNative) = 0;
 
     virtual void removeUniqueId(int uniqueId) = 0;
 
@@ -167,7 +167,7 @@
     BpDrmManagerService(const sp<IBinder>& impl)
             : BpInterface<IDrmManagerService>(impl) {}
 
-    virtual int addUniqueId(int uniqueId);
+    virtual int addUniqueId(bool isNative);
 
     virtual void removeUniqueId(int uniqueId);