Add back organization field for autofill settings.

BUG=402207

Review URL: https://codereview.chromium.org/490373002

Cr-Original-Commit-Position: refs/heads/master@{#291599}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: a4da60be1f888567e523ef389c51c4556f600999

ios/grit_whitelist.txt

@@ -613,6 +613,7 @@ IDS_LIBADDRESSINPUT_MISSING_REQUIRED_POSTAL_CODE_EXAMPLE_AND_URL
 IDS_LIBADDRESSINPUT_MISSING_REQUIRED_ZIP_CODE_EXAMPLE
 IDS_LIBADDRESSINPUT_MISSING_REQUIRED_ZIP_CODE_EXAMPLE_AND_URL
 IDS_LIBADDRESSINPUT_OBLAST
+IDS_LIBADDRESSINPUT_ORGANIZATION_LABEL
 IDS_LIBADDRESSINPUT_PARISH
 IDS_LIBADDRESSINPUT_POSTAL_CODE_LABEL
 IDS_LIBADDRESSINPUT_PO_BOX_FORBIDDEN_VALUE