Revert "Revert "Add command line tool that generates NOTICE.xml...."

Revert submission 3272666-revert-3273112-soong-notice-xml-XKFAUDLTXP

Reason for revert: reland it

Reverted changes: /q/submissionid:3272666-revert-3273112-soong-notice-xml-XKFAUDLTXP

Change-Id: Ica8daafbc5f1bc0bc473c939c595666403349739
diff --git a/core/Makefile b/core/Makefile
index b0392cd..0bc6f1f 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -1964,7 +1964,7 @@
 installed_system_dlkm_notice_xml_gz := $(TARGET_OUT_SYSTEM_DLKM)/etc/NOTICE.xml.gz
 
 ALL_INSTALLED_NOTICE_FILES := \
-  $(installed_notice_html_or_xml_gz) \
+  $(if $(USE_SOONG_DEFINED_SYSTEM_IMAGE),,$(installed_notice_html_or_xml_gz)) \
   $(installed_vendor_notice_xml_gz) \
   $(installed_product_notice_xml_gz) \
   $(installed_system_ext_notice_xml_gz) \
@@ -2051,7 +2051,9 @@
 
 endif # PRODUCT_NOTICE_SPLIT
 
+ifneq ($(USE_SOONG_DEFINED_SYSTEM_IMAGE),true)
 ALL_DEFAULT_INSTALLED_MODULES += $(installed_notice_html_or_xml_gz)
+endif
 
 need_vendor_notice:=false
 ifeq ($(BUILDING_VENDOR_BOOT_IMAGE),true)
diff --git a/core/os_licensing.mk b/core/os_licensing.mk
index 1e1b7df..d15a3d0 100644
--- a/core/os_licensing.mk
+++ b/core/os_licensing.mk
@@ -17,13 +17,17 @@
 
 $(eval $(call text-notice-rule,$(target_notice_file_txt),"System image",$(system_notice_file_message),$(SYSTEM_NOTICE_DEPS),$(SYSTEM_NOTICE_DEPS)))
 
+ifneq ($(USE_SOONG_DEFINED_SYSTEM_IMAGE),true)
 $(installed_notice_html_or_xml_gz): $(target_notice_file_xml_gz)
 	$(copy-file-to-target)
 endif
+endif
 
 $(call declare-1p-target,$(target_notice_file_xml_gz))
+ifneq ($(USE_SOONG_DEFINED_SYSTEM_IMAGE),true)
 $(call declare-1p-target,$(installed_notice_html_or_xml_gz))
 endif
+endif
 
 .PHONY: vendorlicense
 vendorlicense: $(call corresponding-license-metadata, $(VENDOR_NOTICE_DEPS)) reportmissinglicenses
diff --git a/tools/sbom/Android.bp b/tools/sbom/Android.bp
index 6901b06..74b3d62 100644
--- a/tools/sbom/Android.bp
+++ b/tools/sbom/Android.bp
@@ -109,3 +109,17 @@
         "sbom_lib",
     ],
 }
+
+python_binary_host {
+    name: "gen_notice_xml",
+    srcs: [
+        "gen_notice_xml.py",
+    ],
+    version: {
+        py3: {
+            embedded_launcher: true,
+        },
+    },
+    libs: [
+    ],
+}
diff --git a/tools/sbom/gen_notice_xml.py b/tools/sbom/gen_notice_xml.py
new file mode 100644
index 0000000..eaa6e5a
--- /dev/null
+++ b/tools/sbom/gen_notice_xml.py
@@ -0,0 +1,81 @@
+# !/usr/bin/env python3
+#
+# Copyright (C) 2024 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""
+Generate NOTICE.xml.gz of a partition.
+Usage example:
+  gen_notice_xml.py --output_file out/soong/.intermediate/.../NOTICE.xml.gz \
+              --metadata out/soong/compliance-metadata/aosp_cf_x86_64_phone/compliance-metadata.db \
+              --partition system \
+              --product_out out/target/vsoc_x86_64 \
+              --soong_out out/soong
+"""
+
+import argparse
+
+
+FILE_HEADER = '''\
+<?xml version="1.0" encoding="utf-8"?>
+<licenses>
+'''
+FILE_FOOTER = '''\
+</licenses>
+'''
+
+
+def get_args():
+  parser = argparse.ArgumentParser()
+  parser.add_argument('-v', '--verbose', action='store_true', default=False, help='Print more information.')
+  parser.add_argument('-d', '--debug', action='store_true', default=True, help='Debug mode')
+  parser.add_argument('--output_file', required=True, help='The path of the generated NOTICE.xml.gz file.')
+  parser.add_argument('--partition', required=True, help='The name of partition for which the NOTICE.xml.gz is generated.')
+  parser.add_argument('--metadata', required=True, help='The path of compliance metadata DB file.')
+  parser.add_argument('--product_out', required=True, help='The path of PRODUCT_OUT, e.g. out/target/product/vsoc_x86_64.')
+  parser.add_argument('--soong_out', required=True, help='The path of Soong output directory, e.g. out/soong')
+
+  return parser.parse_args()
+
+
+def log(*info):
+  if args.verbose:
+    for i in info:
+      print(i)
+
+
+def new_file_name_tag(file_metadata, package_name):
+  file_path = file_metadata['installed_file'].removeprefix(args.product_out)
+  lib = 'Android'
+  if package_name:
+    lib = package_name
+  return f'<file-name contentId="" lib="{lib}">{file_path}</file-name>\n'
+
+
+def new_file_content_tag():
+  pass
+
+
+def main():
+  global args
+  args = get_args()
+  log('Args:', vars(args))
+
+  with open(args.output_file, 'w', encoding="utf-8") as notice_xml_file:
+    notice_xml_file.write(FILE_HEADER)
+    notice_xml_file.write(FILE_FOOTER)
+
+
+if __name__ == '__main__':
+  main()