Extends max sample rate from 96kHz to 192kHz on the input side.

TEST=apprtc in Chrome using this WebRTC version and a device on Windows which can capture at 192kHz
BUG=725
R=andrew@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/11009004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@5828 4adac7df-926f-26a2-2b94-8c16560cd09d
Add format specification to output file names

This change facilitates running ApmTest.VerifyDebugDumpInt and
ApmTest.VerifyDebugDumpFloat in parallel, since they are not writing
to the same files any longer.

R=andrew@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/10989004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@5829 4adac7df-926f-26a2-2b94-8c16560cd09d
This is to get rid of a bug relating to the return of NULL in calling GetDecoder when there are DTMF packets.

BUG=3140
TEST=trybots
R=henrik.lundin@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/10929006

git-svn-id: http://webrtc.googlecode.com/svn/trunk@5830 4adac7df-926f-26a2-2b94-8c16560cd09d
Remove AudioDevice::{Microphone,Speaker}IsAvailable.

This was only used for logging, except on Mac, where the methods are
now private.

BUG=3132
R=henrika@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/10959004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@5831 4adac7df-926f-26a2-2b94-8c16560cd09d