Revert "track local frameworks/av for extra stuff from gerrit"

This reverts commit 1a11d185c7551761732114ae61193481046985fd.
import updates.sh repopick tool from LegacyXperia

* Import from https://github.com/LegacyXperia/local_manifests/blob/cm-12.0/updates.sh
* Disable some repopicks for now

Change-Id: I75c6fc596f200a7831c96716bb1e85a4853a15cf