Fix no sound with FDR-AX100 recorded 4k video

1.Pcm(twos and sowt) parsing support in MPEG4Extractor
2.Pcm data reading from SampleTable support

Bug: 80501047
Test: Play XAVC-S Video and check if the audio is heard

Change-Id: I5edc7f1920c80e23dfdb069259d19e28240799b5
diff --git a/media/extractors/mp4/SampleTable.cpp b/media/extractors/mp4/SampleTable.cpp
index 81c353e..28fe717 100644
--- a/media/extractors/mp4/SampleTable.cpp
+++ b/media/extractors/mp4/SampleTable.cpp
@@ -946,6 +946,11 @@
             sampleIndex, sampleSize);
 }
 
+uint32_t SampleTable::getLastSampleIndexInChunk() {
+    Mutex::Autolock autoLock(mLock);
+    return mSampleIterator->getLastSampleIndexInChunk();
+}
+
 status_t SampleTable::getMetaDataForSample(
         uint32_t sampleIndex,
         off64_t *offset,