am 69e431c4: am f2ef3b51: Add a menu item to enable the audio effects panel, if one is present on the device.

Merge commit '69e431c461dc2c669839b1b5eb696c706f84620d'

* commit '69e431c461dc2c669839b1b5eb696c706f84620d':
  Add a menu item to enable the audio effects panel, if one is present