Merge "Guide towards Context.createPackageContextAsUser()."

    if clazz.fullname == "android.os.UserManager": return

    for m in clazz.methods:

        if m.name.endswith("AsUser") or m.name.endswith("ForUser"): continue

        if re.match("on[A-Z]+", m.name): continue

        if "android.os.UserHandle" in m.args:

            warn(clazz, m, None, "Method taking UserHandle should be named 'doFooAsUser' or 'queryFooForUser'")

        has_arg = "android.os.UserHandle" in m.args

        has_name = m.name.endswith("AsUser") or m.name.endswith("ForUser")

        if clazz.fullname.endswith("Manager") and has_arg:

            warn(clazz, m, None, "When a method overload is needed to target a specific "

                 "UserHandle, callers should be directed to use "

                 "Context.createPackageContextAsUser() and re-obtain the relevant "

                 "Manager, and no new API should be added")

        elif has_arg and not has_name:

            warn(clazz, m, None, "Method taking UserHandle should be named 'doFooAsUser' "

                 "or 'queryFooForUser'")

def verify_params(clazz):