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/media/libmedia/IEffect.cpp b/media/libmedia/IEffect.cpp
index b94012a..c2fff78 100644
--- a/media/libmedia/IEffect.cpp
+++ b/media/libmedia/IEffect.cpp
@@ -190,7 +190,7 @@
 
         case GET_CBLK: {
             CHECK_INTERFACE(IEffect, data, reply);
-            reply->writeStrongBinder(getCblk()->asBinder());
+            reply->writeStrongBinder(IInterface::asBinder(getCblk()));
             return NO_ERROR;
         } break;