Build init-debug.rc with Soong

Bug: 335369205
Test: build and compare
Change-Id: Idb6105e8527e3a2b4f0517b31be3fa8b78826880
diff --git a/rootdir/Android.bp b/rootdir/Android.bp
index 9a64310..06227c3 100644
--- a/rootdir/Android.bp
+++ b/rootdir/Android.bp
@@ -107,3 +107,9 @@
     src: "etc/hosts",
     filename: "hosts",
 }
+
+prebuilt_etc {
+    name: "init-debug.rc",
+    src: "init-debug.rc",
+    sub_dir: "init",
+}
diff --git a/rootdir/Android.mk b/rootdir/Android.mk
index 593bb1e..fb91b58 100644
--- a/rootdir/Android.mk
+++ b/rootdir/Android.mk
@@ -3,19 +3,6 @@
 $(eval $(call declare-1p-copy-files,system/core/rootdir,))
 
 #######################################
-# init-debug.rc
-include $(CLEAR_VARS)
-
-LOCAL_MODULE := init-debug.rc
-LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
-LOCAL_LICENSE_CONDITIONS := notice
-LOCAL_SRC_FILES := $(LOCAL_MODULE)
-LOCAL_MODULE_CLASS := ETC
-LOCAL_MODULE_PATH := $(TARGET_OUT_ETC)/init
-
-include $(BUILD_PREBUILT)
-
-#######################################
 # asan.options
 ifneq ($(filter address,$(SANITIZE_TARGET)),)