find7: update products makefile

Change-Id: Ia0e46692d7f96e1e97713eb6da49b4a72c025538
find7: fix "PRODUCT_GMS_CLIENTID_BASE"

Change-Id: I37051bc3cbc0fd7937f5d60c3d35e932d8817f60
Add Sony Xperia V (tsubasa)