Enable Ambient display

Change-Id: I109f0cbf0bee475d8d2f573668b6771cc61d9ade
Move a few things to cm.mk

Change-Id: Ifa4e6fee9796e7d8ee20bb90f8a7618206f55dc2
sepolicy: Fix denials on install after data format

Change-Id: I63208b81f29a5877bfa4f59f663f1355ada33f57
releasetools: Mount system before doing FullOTA_InstallEnd commands

Change-Id: Icb9e6ff3e81ff3c1435149cc1b7899673d1ee476