update external headers

ios/include/filament/Stream.h

@@ -22,6 +22,7 @@
 #include <backend/DriverEnums.h>
 
 #include <backend/PixelBufferDescriptor.h>
+#include <backend/CallbackHandler.h>
 
 #include <utils/compiler.h>
 
@@ -199,6 +200,18 @@ public:
      */
     void setAcquiredImage(void* image, Callback callback, void* userdata) noexcept;
 
+    /**
+     * @see setAcquiredImage(void*, Callback, void*)
+     *
+     * @param image      Pointer to AHardwareBuffer, casted to void* since this is a public header.
+     * @param handler    Handler to dispatch the AcquiredImage or nullptr for the default handler.
+     * @param callback   This is triggered by Filament when it wishes to release the image.
+     *                   It callback tales two arguments: the AHardwareBuffer and the userdata.
+     * @param userdata   Optional closure data. Filament will pass this into the callback when it
+     *                   releases the image.
+     */
+    void setAcquiredImage(void* image, backend::CallbackHandler* handler, Callback callback, void* userdata) noexcept;
+
     /**
      * Updates the size of the incoming stream. Whether this value is used is
      *              stream dependent. On Android, it must be set when using