Fix stack content leak vulnerability in mediaserver am: 9a6861cbd3 am: 647f55d75d am: b6d08633e9 am: 7d616daf2b am: b57b64d46d am: fd14435afe
am: 95bad3eabb

Change-Id: I1c89abd43aed4614e4a82db713c62d9bac0713e1