Split datasource out of libstagefright

into libdatasource, which contains:
  DataSourceFactory
  (Clear)FileSource
  (Clear)MediaHTTP
  DataURISource
  HTTPBase
  NuCachedSource2

This is needed to break a circular dependency in an upcoming CL.

Test: build, boot

Change-Id: I34d9937235c78f18f51b18945342a0743e209577
Merged-In: I34d9937235c78f18f51b18945342a0743e209577
diff --git a/media/ndk/NdkMediaDataSource.cpp b/media/ndk/NdkMediaDataSource.cpp
index e567613..f6892e6 100644
--- a/media/ndk/NdkMediaDataSource.cpp
+++ b/media/ndk/NdkMediaDataSource.cpp
@@ -26,16 +26,16 @@
 #include <android_runtime/AndroidRuntime.h>
 #include <android_util_Binder.h>
 #include <cutils/properties.h>
-#include <utils/Log.h>
-#include <utils/StrongPointer.h>
+#include <datasource/DataSourceFactory.h>
+#include <datasource/HTTPBase.h>
+#include <datasource/NuCachedSource2.h>
 #include <media/IMediaHTTPService.h>
 #include <media/NdkMediaError.h>
 #include <media/NdkMediaDataSource.h>
-#include <media/stagefright/DataSourceFactory.h>
 #include <media/stagefright/InterfaceUtils.h>
+#include <utils/Log.h>
+#include <utils/StrongPointer.h>
 
-#include "../../libstagefright/include/HTTPBase.h"
-#include "../../libstagefright/include/NuCachedSource2.h"
 #include "NdkMediaDataSourceCallbacksPriv.h"