Merge "AudioManager: update javadoc for setCommunicationDevice" into sc-dev

     * <pre class="prettyprint">

     * // Get an AudioManager instance

     * AudioManager audioManager = Context.getSystemService(AudioManager.class);

     * try {

     * AudioDeviceInfo speakerDevice = null;

     * List<AudioDeviceInfo> devices = audioManager.getAvailableCommunicationDevices();

     * for (AudioDeviceInfo device : devices) {

     *     // Turn speakerphone OFF.

     *     audioManager.clearCommunicationDevice();

     * }

     * } catch (IllegalArgumentException e) {

     *     // Handle exception.

     * }

     * </pre>

     * @param device the requested audio device.

     * @return <code>true</code> if the request was accepted, <code>false</code> otherwise.