update simplified chinese translation

@BillFZhu, @wongsyrone, @tungstwenty, @fenghn888, @jokies
@jpeg729, @pyler, @tonymanou
Merge branch 'upstream' into patch-translate
Merge branch 'upstream' into patch-translate
update simplified chinese translation
Updated Slovak translation
Update Polish translation
Merge pull request #1087 from liudongmiao/patch-translate

Updated simplified Chinese translation
Merge pull request #1088 from pylerSM/patch-13

Updated Slovak translation
Merge pull request #1089 from skibbipl/patch-25

Updated Polish translation
Updated changelog
Enable Android usage data by default
Remove app location restrictions

These restrictions are replaced by Android location restrictions
Fixed location listener casting