Merge changes from topic "system_dlkm_dynamic"

* changes:
  system_dlkm: Fix flag for mount point guard
  system_dlkm: load property for dynamic partition
diff --git a/init/property_service.cpp b/init/property_service.cpp
index 70e26ec..f2b2cda 100644
--- a/init/property_service.cpp
+++ b/init/property_service.cpp
@@ -1107,6 +1107,7 @@
     LoadPropertiesFromSecondStageRes(&properties);
     load_properties_from_file("/system/build.prop", nullptr, &properties);
     load_properties_from_partition("system_ext", /* support_legacy_path_until */ 30);
+    load_properties_from_file("/system_dlkm/etc/build.prop", nullptr, &properties);
     // TODO(b/117892318): uncomment the following condition when vendor.imgs for aosp_* targets are
     // all updated.
     // if (SelinuxGetVendorAndroidVersion() <= __ANDROID_API_R__) {
diff --git a/rootdir/Android.mk b/rootdir/Android.mk
index ce2ec0e..b12594a 100644
--- a/rootdir/Android.mk
+++ b/rootdir/Android.mk
@@ -110,7 +110,8 @@
 ifdef BOARD_USES_METADATA_PARTITION
   LOCAL_POST_INSTALL_CMD += ; mkdir -p $(TARGET_ROOT_OUT)/metadata
 endif
-ifdef BOARD_USES_SYSTEM_DLKM_PARTITION
+ifdef BOARD_USES_SYSTEM_DLKMIMAGE
+  # /system_dlkm mount point
   LOCAL_POST_INSTALL_CMD += ; mkdir -p $(TARGET_ROOT_OUT)/system_dlkm
 endif