Update calls to IInterface::asBinder()

to use the new static version.

Change-Id: Ia7b10eb38ca55b72278bfd33d3bf647f338b4e6a

Conflicts:
	media/libmedia/IAudioFlinger.cpp
	media/libmedia/IMediaPlayer.cpp
	media/libstagefright/CameraSource.cpp
diff --git a/camera/camera2/ICameraDeviceUser.cpp b/camera/camera2/ICameraDeviceUser.cpp
index ff4a0c2..35345d2 100644
--- a/camera/camera2/ICameraDeviceUser.cpp
+++ b/camera/camera2/ICameraDeviceUser.cpp
@@ -219,7 +219,7 @@
 
         data.writeInt32(1); // marker that bufferProducer is not null
         data.writeString16(String16("unknown_name")); // name of surface
-        sp<IBinder> b(bufferProducer->asBinder());
+        sp<IBinder> b(IInterface::asBinder(bufferProducer));
         data.writeStrongBinder(b);
 
         remote()->transact(CREATE_STREAM, data, &reply);