am 5b15adfe: Merge "MPEG2TSWriter: Read more immediately if an empty buffer is received"

* commit '5b15adfe9e5ee9a92b5f0a2853246fce170d4eef':
  MPEG2TSWriter: Read more immediately if an empty buffer is received
diff --git a/media/libstagefright/MPEG2TSWriter.cpp b/media/libstagefright/MPEG2TSWriter.cpp
index 92f12af..c9ed5bb 100644
--- a/media/libstagefright/MPEG2TSWriter.cpp
+++ b/media/libstagefright/MPEG2TSWriter.cpp
@@ -419,6 +419,8 @@
                     } else {
                         postAVCFrame(buffer);
                     }
+                } else {
+                    readMore();
                 }
 
                 buffer->release();