Build code depending on resources from the appcompat library with both Buck and Gradle

Reviewed By: sdwilsh

Differential Revision: D2844961

fb-gh-sync-id: 686a9f253eb370a9dc8cc33ca1c4e8453f89210a

ReactAndroid/src/main/third-party/android-support-for-standalone-apps/v7/appcompat/res-unpacker.py

@@ -0,0 +1,20 @@
+import contextlib
+import os
+import shutil
+import sys
+import tempfile
+import zipfile
+
+# Helper that unpacks the contents of the res folder of an .aar file
+# into given destination.
+
+@contextlib.contextmanager
+def cleanup(path):
+    yield path
+    shutil.rmtree(path)
+
+if __name__ == '__main__':
+    with zipfile.ZipFile(sys.argv[1], 'r') as z:
+        with cleanup(tempfile.mkdtemp()) as temp_path:
+            z.extractall(temp_path, filter(lambda n: n.startswith('res/'), z.namelist()))
+            shutil.move(os.path.join(temp_path, 'res'), sys.argv[2])