Revert "OomAdjuster Freeze Handling with CPU capability"

Revert submission 29781306-oomadj_cpu_capability

Reason for revert: DroidMonitor: Potential culprit for http://b/377705050 - verifying through ABTD before revert submission. This is part of the standard investigation process, and does not mean your CL will be reverted.

Reverted changes: /q/submissionid:29781306-oomadj_cpu_capability

Change-Id: I7dbeb71b2c9c2b0d97533dff0596b983e625081e