mobile_type_keys not support Chinese words

[xubaocui]

Describe the bug
A clear and concise description of what the bug is.
use mobile_type_keys input text is Chinese

Configuration (please complete the following information):

• Device model: Huawei Android
• real Device
• mac

To Reproduce
Steps to reproduce the behavior:

1. open packageName: com.jingdong.app.mall
2. search "999感冒灵"

Expected behavior
search text is "999感冒灵" and mobile_type_keys params is

but mobile search text is empty,like this

Screenshots
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