Merge "Allow purpose and valid-purpose child tags in the manifest." into main

  manifest_action["protected-broadcast"];

  manifest_action["adopt-permissions"];

  manifest_action["uses-permission"];

  manifest_action["uses-permission"]["purpose"];

  manifest_action["uses-permission"]["required-feature"].Action(RequiredNameIsNotEmpty);

  manifest_action["uses-permission"]["required-not-feature"].Action(RequiredNameIsNotEmpty);

  manifest_action["uses-permission-sdk-23"];

  manifest_action["uses-permission-sdk-23"]["purpose"];

  manifest_action["permission"];

  manifest_action["permission"]["valid-purpose"].Action(RequiredNameIsNotEmpty);

  manifest_action["permission"]["meta-data"] = meta_data_action;

  manifest_action["permission-tree"];

  manifest_action["permission-group"];