Remove cpu uid freq cts test from required list.

The test requires reading a kernel managed file that may not exist on
all devices.
Masking it so that we only test it internally on Pixel2 devices.

Bug: 78349463
Bug: 78017544
Change-Id: Ia9f0fb2477bedf37bc37ba70408c250dc66323fc
Fix: 78017544
Test: cts
1 file changed
tree: 779b9a9b048e7b03d96ea501cfe5e6edd0cfdd8b
  1. tests/