Mask phone number log to avoid personal information leakage in logs

[Root Cuase]
someone(like: hacker) may get this phonenumber from logcat log, and this is private personal information.

[Solution]
mask phone number in logs.

Bug: 301369984
Test: atest packages/modules/Bluetooth/system pass

Flag: EXEMPT logs only change
Change-Id: I069b40eb104d55139b620085dad1a83ada4f3012