API Extension: Support for optionally specifying a map of extra request headers when specifying the uri of media data to be played.

related-to-bug: 2393577

Original change by Andrei Popescu <andreip@google.com>
diff --git a/include/media/mediaplayer.h b/include/media/mediaplayer.h
index 87d23f6..c9198d6 100644
--- a/include/media/mediaplayer.h
+++ b/include/media/mediaplayer.h
@@ -23,6 +23,9 @@
 #include <media/IMediaPlayer.h>
 #include <media/IMediaDeathNotifier.h>
 
+#include <utils/KeyedVector.h>
+#include <utils/String8.h>
+
 namespace android {
 
 enum media_event_type {
@@ -130,7 +133,11 @@
     ~MediaPlayer();
             void            died();
             void            disconnect();
-            status_t        setDataSource(const char *url);
+
+            status_t        setDataSource(
+                    const char *url,
+                    const KeyedVector<String8, String8> *headers);
+
             status_t        setDataSource(int fd, int64_t offset, int64_t length);
             status_t        setVideoSurface(const sp<Surface>& surface);
             status_t        setListener(const sp<MediaPlayerListener>& listener);