Introducing LZ phase 1 & 2

Change-Id: I28e6dc87113783925b8a56eec9badc2539e0d431
conflicts

Change-Id: I2081e8ec99cd106517a4c2620272b87deaf5e054
conflicts

Change-Id: Ibcf4f04e370f361f925b8719f49b10531ae81ce1