Fix for bug 4126624.
Change the mDrmManagerClientImpl to sp to avoid double delete the pointer.

Change-Id: I7aacea1bc58ab6425ef6f6f09472c6f2970ebb4d
diff --git a/include/drm/DrmManagerClient.h b/include/drm/DrmManagerClient.h
index 12142bc..7a0bf4f 100644
--- a/include/drm/DrmManagerClient.h
+++ b/include/drm/DrmManagerClient.h
@@ -365,7 +365,7 @@
 
 private:
     int mUniqueId;
-    DrmManagerClientImpl* mDrmManagerClientImpl;
+    sp<DrmManagerClientImpl> mDrmManagerClientImpl;
 };
 
 };