am 2c87e9c9: First submission of audio effect library from NXP software.

Merge commit '2c87e9c923b0362fabf8c97ff63997542394c428' into gingerbread-plus-aosp

* commit '2c87e9c923b0362fabf8c97ff63997542394c428':
  First submission of audio effect library from NXP software.