Add format change check rule

If no buffer, and no outputFormat changed in tunnel mode, the
onOutputBufferAvailable would not be called.

Test:
DTV playback ok

Bug: 234104755
(cherry picked from https://android-review.googlesource.com/q/commit:c5d993692af7af7c886bc8d3e08ec5d019cc06ec)
Merged-In: I96a4dc5733e2b47a9255ae655da2cb23779daa5b
Change-Id: I96a4dc5733e2b47a9255ae655da2cb23779daa5b
diff --git a/media/codec2/sfplugin/CCodecBufferChannel.h b/media/codec2/sfplugin/CCodecBufferChannel.h
index 763eae9..a37c383 100644
--- a/media/codec2/sfplugin/CCodecBufferChannel.h
+++ b/media/codec2/sfplugin/CCodecBufferChannel.h
@@ -301,6 +301,7 @@
     std::shared_ptr<C2BlockPool> mInputAllocator;
     QueueSync mQueueSync;
     std::vector<std::unique_ptr<C2Param>> mParamsToBeSet;
+    sp<AMessage> mOutputFormat;
 
     struct Input {
         Input();