Add Renderscript to manifest for msm8953 target in order to enable
framework to load Adreno RS driver.
CRs-fixed: 2074539
Change-Id: I9b92080f01af49c96f3718a9a8825bccd3870b82
Move away from building device manifest through PRODUCT_COPY_FILES.
Use the build variables - DEVICE_MANIFEST_FILE and DEVICE_MATRIX_FILE
to build device manifest and device compatibility files repectively.
Change-Id: Ieb3e410118ee9fe00c6b03e32a983e584960d8dc