Migrate build.prop for (system|vendor|odm)_dlkm to soong

Bug: 377562851
Test: lunch aosp_cf_x86_64_phone-trunk_staging-userdebug
Test: no diff in $PRODUCT_OUT/system_dlkm/etc/build.prop
$PRODUCT_OUT/vendor_dlkm/etc/build.prop
$PRODUCT_OUT/odm_dlkm/etc/build.prop (modulo timestamp diffs)

Change-Id: I636442de860220d2ac6f5b510038a1405013d819
diff --git a/Android.bp b/Android.bp
index cbe1c7b..42b7d83 100644
--- a/Android.bp
+++ b/Android.bp
@@ -206,3 +206,30 @@
     relative_install_path: "etc", // odm/etc/build.prop
     visibility: ["//visibility:private"],
 }
+
+build_prop {
+    name: "system_dlkm-build.prop",
+    stem: "build.prop",
+    system_dlkm_specific: true,
+    product_config: ":product_config",
+    relative_install_path: "etc", // system_dlkm/etc/build.prop
+    visibility: ["//visibility:private"],
+}
+
+build_prop {
+    name: "vendor_dlkm-build.prop",
+    stem: "build.prop",
+    vendor_dlkm_specific: true,
+    product_config: ":product_config",
+    relative_install_path: "etc", // vendor_dlkm/etc/build.prop
+    visibility: ["//visibility:private"],
+}
+
+build_prop {
+    name: "odm_dlkm-build.prop",
+    stem: "build.prop",
+    odm_dlkm_specific: true,
+    product_config: ":product_config",
+    relative_install_path: "etc", // odm_dlkm/etc/build.prop
+    visibility: ["//visibility:private"],
+}