manifest: add Sony Xperia Z1 and Z Ultra

to be forked from
https://github.com/championswimmer/device_sony_rhine-common
https://github.com/championswimmer/device_sony_togari
https://github.com/championswimmer/device_sony_honami

Change-Id: Idcff1792c2dbc28d4d8445dc861398ea4c2df51a
Signed-off-by: Arnav Gupta <championswimmer@aokp.co>