This reverts commit 4ae6ec428f3570b9020b35ada6a62f94af66d888.
Currently the filter_length is set to one second. Will change that when we have a better idea. Change-Id: Ia942a8fff00b096de8ff0049a448816ea9a68068
Change-Id: Ic9c17b460448c746b21526ac10b647f281ae48e9