feat(BluetoothDevice): add GetCurrentTime method

[ArgoZhang]

add GetCurrentTime method

Summary of the changes (Less than 80 chars)

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Description

fixes #4500

Regression?

• Yes
• No

[If yes, specify the version the behavior has regressed from]

[是否影响老版本]

Risk

• High
• Medium
• Low

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Verification

• Manual (required)
• Automated

Packaging changes reviewed?

• Yes
• No
• N/A

☑️ Self Check before Merge

⚠️ Please check all items below before review. ⚠️

• Doc is updated/provided or not needed
• Demo is updated/provided or not needed
• Merge the latest code from the main branch

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (3f3f8b9) to head (f8bc05b).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #4501   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          626       628    +2     
  Lines        26845     26896   +51     
  Branches      3902      3905    +3     
=========================================
+ Hits         26845     26896   +51     

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