Fix security vulnerability: potential OOB write in audioserver am: 3f9a6d3bd9 am: 28d8817df3 am: 750a6a4ed8 am: 559dbde531 am: 4654f9ab8b am: 4154f08e79
am: 2ebeab8c6b

Change-Id: I8ee48760ca62d1e9002a53694be8f39ff47a7b33