Fixed including SDL_config.h in implementation for Android.

SDL_internal.h should be included to support dynamic API.

src/joystick/android/SDL_sysjoystick_c.h

@@ -19,7 +19,7 @@
  3. This notice may not be removed or altered from any source distribution.
  */
 
-#include "SDL_config.h"
+#include "../../SDL_internal.h"
 
 #ifdef SDL_JOYSTICK_ANDROID
 #include "../SDL_sysjoystick.h"

src/video/android/SDL_androidmessagebox.c

@@ -18,7 +18,7 @@
      misrepresented as being the original software.
   3. This notice may not be removed or altered from any source distribution.
 */
-#include "SDL_config.h"
+#include "../../SDL_internal.h"
 
 #if SDL_VIDEO_DRIVER_ANDROID