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

3 files changed, 38 insertions, 0 deletions

diff --git a/Android.bp b/Android.bp
index cbe1c7b3f..42b7d83f7 100644
--- a/Android.bp
+++ b/Android.bp
@@ -206,3 +206,30 @@ build_prop {
     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"],
+}
diff --git a/android/build_prop.go b/android/build_prop.go
index 554768077..838947045 100644
--- a/android/build_prop.go
+++ b/android/build_prop.go
@@ -109,6 +109,12 @@ func (p *buildPropModule) partition(config DeviceConfig) string {
 		return "product"
 	} else if p.SystemExtSpecific() {
 		return "system_ext"
+	} else if p.InstallInSystemDlkm() {
+		return "system_dlkm"
+	} else if p.InstallInVendorDlkm() {
+		return "vendor_dlkm"
+	} else if p.InstallInOdmDlkm() {
+		return "odm_dlkm"
 	}
 	return "system"
 }
@@ -119,6 +125,9 @@ var validPartitions = []string{
 	"product",
 	"odm",
 	"vendor",
+	"system_dlkm",
+	"vendor_dlkm",
+	"odm_dlkm",
 }
 
 func (p *buildPropModule) GenerateAndroidBuildActions(ctx ModuleContext) {
diff --git a/scripts/gen_build_prop.py b/scripts/gen_build_prop.py
index e0686ed19..0b7780e96 100644
--- a/scripts/gen_build_prop.py
+++ b/scripts/gen_build_prop.py
@@ -608,6 +608,8 @@ def main():
         build_product_prop(args)
       case "vendor":
         build_vendor_prop(args)
+      case "system_dlkm" | "vendor_dlkm" | "odm_dlkm":
+        build_prop(args, gen_build_info=False, gen_common_build_props=True, variables=[])
       case _:
         sys.exit(f"not supported partition {args.partition}")