Update HTTP proxy configuration for all media playback inside stagefright.

Change-Id: Ie0dd00045aba668d8b49da73224e7a7c9c04f69b
related-to-bug: 8873723
(cherry picked from commit 2704965b8a1ff3b7450ff58ccecf86d8ec688c40)
diff --git a/include/media/mediaplayer.h b/include/media/mediaplayer.h
index e5aa033..14381c7 100644
--- a/include/media/mediaplayer.h
+++ b/include/media/mediaplayer.h
@@ -232,6 +232,9 @@
             status_t        setRetransmitEndpoint(const char* addrString, uint16_t port);
             status_t        setNextMediaPlayer(const sp<MediaPlayer>& player);
 
+            status_t updateProxyConfig(
+                    const char *host, int32_t port, const char *exclusionList);
+
 private:
             void            clear_l();
             status_t        seekTo_l(int msec);