Backport of "audiobuffersplit: Perform discont tracking on running time" into 1.16
requested to merge tpm/gst-plugins-bad:backport-mr-1254-into-1.16-audiobuffersplit-discont-on-running-time into 1.16
Backport of !1254 (merged) "audiobuffersplit: Perform discont tracking on running time".
Commits: