fix set or clear communication mistake

Delete the code with onSetCommunicationDeviceForClient method of function is the same, lead to perform this function twice.

Bug: 389847609
Test: m
     1.connect a earbuds buds support HFP LC3 & CG
     2.accecpt a MD call
     3.on off LEA when call,the sound should be normal
Flag: EXEMPT bug fix
(cherry picked from https://partner-android-review.googlesource.com/q/commit:0bb54207840fb47c320662fce1dd5d8eca2902be)
Merged-In: I85862e9e534cb2efc9ca4d3a4ee5c715f1449425
Change-Id: I85862e9e534cb2efc9ca4d3a4ee5c715f1449425