Fix: "Ok Google" thanks Team-Exhibit

-It seems thats the "source" device is defined incorrectly
for this device. So we just switch to the known mic source.

-This might be better fixed in somewhere else but this works
until/if a better fix is found.

Original commit: 0c1919b031d60f2498a5bf0f4de6d8f9177ff802 at Team-Exhibit/beanstalk_frameworks_base