Labs depend on lab_no instead of provider being 0

Change-Id: I1f1bad080524a129504ba6aaa913aa4337e0036d
Signed-off-by: Jeremy Ho <jujaga@gmail.com>
Added units support to lab values

Change-Id: Ib1599342c334734e65e46755393dcbd3ffb9f2a9
Signed-off-by: Jeremy Ho <jujaga@gmail.com>
Added fix for lessthan/greaterthan characters

Change-Id: Id063e1cb88ed5f6b582a42773ae8a6268d83e158
Signed-off-by: Jeremy Ho <jujaga@gmail.com>