bump music and en/us/callie sounds files revs

build/moh_version.txt

-1.0.8
+1.0.50
\ No newline at end of file

build/sounds_version.txt

-en-us-callie 1.0.25
+en-us-callie 1.0.50
 ru-RU-elena 1.0.13
 fr-ca-june 1.0.18