[automerger] Handle bad bitrate index in mp3dec. am: 8b63812376 am: 1c388693ae am: d1cd373be8 am: b589cde346 am: c512ab83dc am: 1527d62132 am: 93783a217f am: 04ba4099f3 am: c8d96838ba
am: 2bd167ec3c

Change-Id: I730b7ba31244faf09e73fce236740cde695dcdf6