Build: update qcom_utils.mk

Add build macro to determine Android Release

Adding platform sdk version 18 for JB MR2.

Change-Id: I79aa831ddd335bd14bd777506c210acc5d9960f1
(cherry picked from commit 041a548d9558f222aae55a3f0abc87766b00dca8)
inline kernel dtb build

also add sony device filter

Change-Id: Iffeda58c7086f49e76ecafd37941503611346983
(cherry picked from commit cdec9783c5571f5931686d29d4c97cd6f8938e5c)