Fix problem where Android VoE can not record on multiple channels.

The issue was introduced in https://webrtc-codereview.appspot.com/33969004/
R8325

TEST=  Build libjingle_peerconnection_android_unittest and then run "CHECKOUT_SOURCE_ROOT=`pwd` build/android/test_runner.py instrumentation --test-apk=libjingle_peerconnection_android_unittest"
R=henrika@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/38089004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@8349 4adac7df-926f-26a2-2b94-8c16560cd09d
1 file changed