Update ServiceBindingOomAdjPolicy to support CPU_TIME

The introduction of the Cpu Time capabilities decouples freeze state
from the cached state. The ServiceBindingOomAdjPolicy is updated to
always evaluate the freezability of a process.

Flag: com.android.server.am.cpu_time_capability_based_freeze_policy
Bug: 403034947
Test: atest ServiceBindingOomAdjPolicyTest
Change-Id: I46b74bc498e87ccfe8c7253ad556e1963df028b8