Add sanity check for allowed LPD sampling rate.

Bug: 112662981
Test: atest DecoderTestXheAac ; atest DecoderTestAacDrc

Change-Id: I0702024adc07ed463db795dd48f4efd3de1d7896
Merged-In: Idc9c44a9755b8151d5c7d8107696f43ac592413b
1 file changed