build/make/core/Makefile
$(INSTALLED_VENDOR_BUILD_PROP_TARGET): $(VENDOR_BUILDINFO_SH) $(intermediate_system_build_prop)
@echo Target vendor buildinfo: $@
@mkdir -p $(dir $@)
$(hide) echo > $@
$(hide) grep 'ro.product.first_api_level' $(intermediate_system_build_prop) >> $@ || true
$(hide) echo ro.vendor.build.date=`$(DATE_FROM_FILE)`>>$@
$(hide) echo ro.vendor.build.date.utc=`$(DATE_FROM_FILE) +%s`>>$@
#$(hide) echo ro.vendor.build.fingerprint="$(BUILD_FINGERPRINT_FROM_FILE)">>$@
$(hide) echo ro.vendor.build.fingerprint="$(BUILD_FINGERPRINT)">>$@