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/camera/libcameraservice/CameraService.cpp b/camera/libcameraservice/CameraService.cpp
index 81d60dc..405d471 100644
--- a/camera/libcameraservice/CameraService.cpp
+++ b/camera/libcameraservice/CameraService.cpp
@@ -197,7 +197,7 @@
 static sp<MediaPlayer> newMediaPlayer(const char *file)
 {
     sp<MediaPlayer> mp = new MediaPlayer();
-    if (mp->setDataSource(file) == NO_ERROR) {
+    if (mp->setDataSource(file, NULL /* headers */) == NO_ERROR) {
         mp->setAudioStreamType(AudioSystem::ENFORCED_AUDIBLE);
         mp->prepare();
     } else {