This change reduced the allocation count by 20000 in the bit-exactness test. BUG=Issue 1363 TEST=out/Debug/modules_unittests --gtest_filter=NetEqDecodingTest.TestBitExactness R=turaj@webrtc.org Review URL: https://webrtc-codereview.appspot.com/2157004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@4678 4adac7df-926f-26a2-2b94-8c16560cd09d