Include 'vendor' in AB_OTA_PARTITIONS. Update BoardConfigPartial.mk to include 'vendor' into AB_OTA_PARTITIONS. Bug: 134970317 Merged-In: I60b66e1faa7d6088b709265c876dbf4c561af149 Change-Id: I60b66e1faa7d6088b709265c876dbf4c561af149