Adjust data types to prevent load of invalid value Adjust usacExtElementType data type to prevent load of invalid value in extElementConfig(). Adjust usacConfigExtType data type to prevent load of invalid value in configExtension(). Bug: 186706541 Test: atest android.media.cts.DecoderTestAacFormat android.media.cts.DecoderTestXheAac android.media.cts.DecoderTestAacDrc Change-Id: Ide15daa73c084c4a2cfc9d0f36bd7666fa6bac7a