build_image.py recognize BOARD_PRODUCT_SERVICESIMAGE_PARTITION_RESERVED_SIZE

Test: builds
Bug: 79106666
Change-Id: I00c1a96c09cf7bd9274b65ac0afc47462686171d
diff --git a/tools/releasetools/build_image.py b/tools/releasetools/build_image.py
index f536afb..6336e68 100755
--- a/tools/releasetools/build_image.py
+++ b/tools/releasetools/build_image.py
@@ -897,6 +897,7 @@
     copy_prop("productservices_extfs_inode_count", "extfs_inode_count")
     if not copy_prop("productservices_extfs_rsv_pct", "extfs_rsv_pct"):
       d["extfs_rsv_pct"] = "0"
+    copy_prop("productservices_reserved_size", "partition_reserved_size")
   elif mount_point == "oem":
     copy_prop("fs_type", "fs_type")
     copy_prop("oem_size", "partition_size")
@@ -938,6 +939,8 @@
     copy_prop("partition_size", "vendor_size")
   elif mount_point == "product":
     copy_prop("partition_size", "product_size")
+  elif mount_point == "product-services":
+    copy_prop("partition_size", "productservices_size")
   return d