Merge #1137 into sdk602patch0626 from refs/changes/1137/head

Merge #1137 into sdk602patch0626 from refs/changes/1137/head

Code review from 胡传军

* refs/changes/1137/head: (4 commits squashed)

  - 计算器修改，解决double计算精度不够，导致计算出现多余小数位，#963

  - sos增加适配HFP呼叫,呼叫备注显示#933 #932

  - Merge branch 'sdk602patch0626' of https://codeup.aliyun.com/64191456b9581d62e8f81ac0/FD230 into 0626

  - 计算器修改，改为删除仅删除一位 #905 目标同步修改 #921

Signed-off-by: aliyun8003852482 <1224667075@qq.com>
Reviewed-by: snickersun@163.com <accounts_62b90f7fcf51ade33b6f628e@mail.teambition.com>
Merged-by: snickersun@163.com <accounts_62b90f7fcf51ade33b6f628e@mail.teambition.com>
link: https://codeup.aliyun.com/64191456b9581d62e8f81ac0/FD230/change/1137