Add changelog generator (1/2)

Change-Id: I8a19c8e7707f28a452b234eb7900875806ec1518
Merge "Add changelog generator (1/2)" into lollipop
liquid: Reenable disabledComponents list

Change-Id: Id845fb4676f94d7babc6380d2cd3bd5e423078b6
Merge https://github.com/LiquidSmooth/android_vendor_liquid into lollipop