Merge "C2SoftMp3Dec: fix OOB write in output buffer" into qt-dev am: 1b21082920 am: c63899dfc8

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/15919336

Change-Id: I30d5568febbb89a85088f86272437a1b30304499
diff --git a/media/codec2/components/mp3/C2SoftMp3Dec.cpp b/media/codec2/components/mp3/C2SoftMp3Dec.cpp
index 5ba7e3d..3984f62 100644
--- a/media/codec2/components/mp3/C2SoftMp3Dec.cpp
+++ b/media/codec2/components/mp3/C2SoftMp3Dec.cpp
@@ -405,7 +405,7 @@
         mConfig->inputBufferCurrentLength = (inSize - inPos);
         mConfig->inputBufferMaxLength = 0;
         mConfig->inputBufferUsedLength = 0;
-        mConfig->outputFrameSize = (calOutSize - outSize);
+        mConfig->outputFrameSize = (calOutSize - outSize) / sizeof(int16_t);
         mConfig->pOutputBuffer = reinterpret_cast<int16_t *> (wView.data() + outSize);
 
         ERROR_CODE decoderErr;