power-libperfmgr: ADPF: report verbose log for dead thread uclamp min update

If thread is detected as dead while setting the uclamp min, it currently
sends warning log. This caused log spamming issue. Change it to verbose
log first, then consider long term solution in master branch.

Bug: 296159697
Test: Manual
Change-Id: Ia8ea632be75a431ce0f9faa4c3792635f540be16
1 file changed