Update path to audio files

The path to these audio files was changed in r.android.com/862589.
Update the configuration to read from the new path, too.

Bug: 131864467
Test: hear sound when locking/unlocking aosp_blueline
Change-Id: Ie0d69de6333a08d3e645829e13a707f83cb05e01
Merged-In: Ie0d69de6333a08d3e645829e13a707f83cb05e01