Set BRILLO_VENDOR_PARTITIONS to the list of files in the vendor directory.

builder will use BRILLO_VENDOR_PARTITIONS value to create a vendor partition
zip file, in folder out/dist.

Bug: 25692226
Change-Id: Ie135da2a897fd9d0edbeade2bbfd25033dc34949
Test: m dist, test with cl 183905
diff --git a/BoardConfig.mk b/BoardConfig.mk
index e8b64bb..c00fb8d 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -30,6 +30,23 @@
     device/qcom/dragonboard/fstab:root/fstab.${soc_name} \
     device/qcom/dragonboard/provision-device:provision-device
 
+vendor_partition_directory := vendor/bsp/qcom/device/dragonboard/qcom_410c_non-hlos_binaries_A8016BAAAAGLYD2131.1
+BRILLO_VENDOR_PARTITIONS := \
+  $(vendor_partition_directory)/partitions/misc.bin \
+  $(vendor_partition_directory)/partitions/partition-tables.bin \
+  $(vendor_partition_directory)/vendor_partitions/aboot.bin \
+  $(vendor_partition_directory)/vendor_partitions/DDR.bin \
+  $(vendor_partition_directory)/vendor_partitions/fsc.bin \
+  $(vendor_partition_directory)/vendor_partitions/fsg.bin \
+  $(vendor_partition_directory)/vendor_partitions/hyp.bin \
+  $(vendor_partition_directory)/vendor_partitions/modem.bin \
+  $(vendor_partition_directory)/vendor_partitions/modemst1.bin \
+  $(vendor_partition_directory)/vendor_partitions/modemst2.bin \
+  $(vendor_partition_directory)/vendor_partitions/rpm.bin \
+  $(vendor_partition_directory)/vendor_partitions/sbl1.bin \
+  $(vendor_partition_directory)/vendor_partitions/sec.bin \
+  $(vendor_partition_directory)/vendor_partitions/tz.bin
+
 BOARD_SEPOLICY_DIRS += \
     device/qcom/dragonboard/sepolicy