Remove CPU0 governor check

This leads to additional latency in processing hints. Also some tests
have small cores shut off.

Now for testing need to skipping powerhint:
setprop vendor.powerhal.init 0
setprop ctl.restart vendor.power-hal-1-3

Test: Build
Bug: 129495482
Fixes: 133425880
Change-Id: I8ede2f2ee70a3df4f1b353ee9c07ab10752973e2