Fix BTLE percision mouse can not use issue

[Root Cause]
BTLE Precision Mouse sends "Error code: Read Not Permitted"
for read report map request, that will cause DUT get descp len 0

[Solution]
managed to avoid get descp len 0.

Bug: 249709008
Test: atest net_test_btif_hh

Change-Id: Ia90d3390666e1eca5312ee51009810fc0015ef44