build/soong side of move the module-info.json commands into standalone scripts.

Bug: 340648588
Test: run them
Change-Id: I5c072ee8481630327be9dccbbca501293a7b34cd

bin/dirmods

@@ -0,0 +1,52 @@
+#!/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.
+
+import sys
+sys.dont_write_bytecode = True
+
+import modinfo
+
+import os
+
+# Get the path of a specific module in the android tree, as cached in module-info.json.
+# If any build change is made, and it should be reflected in the output, you should run
+# 'refreshmod' first.  Note: This is the inverse of pathmod.
+
+def main(argv):
+    if len(argv) != 2:
+        sys.stderr.write("usage: usage: dirmods <path>\n")
+        sys.exit(1)
+
+    d = argv[1]
+    while d.endswith('/'):
+        d = d[:-1]
+    prefix = d + '/'
+
+    module_info = modinfo.ReadModuleInfo()
+
+    results = set()
+    for m in module_info.values():
+        for path in m.get(u'path', []):
+            if path == d or path.startswith(prefix):
+                name = m.get(u'module_name')
+                if name:
+                    results.add(name)
+
+    for name in sorted(results):
+        print(name)
+
+if __name__ == "__main__":
+    main(sys.argv)