update Chinese translation of strings.xml

[liuyunli]

update Chinese translation.

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[codecov]

Codecov Report

Merging #236 into feature will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             feature     #236   +/-   ##
==========================================
  Coverage      92.35%   92.35%           
  Complexity      1029     1029           
==========================================
  Files            139      139           
  Lines           3151     3151           
  Branches         213      213           
==========================================
  Hits            2910     2910           
  Misses           158      158           
  Partials          83       83