codec2: correlate flushed work result definition to framework

With regard to CCodecBufferChannel::onWorkDone(), flushed work result
is set to C2_NOT_FOUND.

Note: it is still TODO for CCodecBufferChannel and may be changed in the
future.

Bug: 73261432
Test: adb shell setprop debug.stagefright.ccodec yes
Test: adb shell setprop debug.stagefright.ccodec_v4l2 yes
Test: adb shell killall mediaserver
Test: cts-tradefed run cts -m CtsMediaTestCases -t android.media.cts.MediaCodecTest#testDecodeAfterFlush
Change-Id: Ieca1d867a619da0ff151cb564ae6a745e1257b49
1 file changed