am 0950c5de: Merge change 21226 into donut

Merge commit '0950c5de864d1ad83ed96efc5c2d1569b4d36188' into eclair

* commit '0950c5de864d1ad83ed96efc5c2d1569b4d36188':
  Fix bug 2046705 where the output of the speech synthesizer is too low.