Add an abbreviated tracepoint for freeze state.

This is a temporary tracepoint with compressed information, allowing
longer traces to be recorded. The average size of the prior tracepoint
is around 270 characters, while this one averages 20.

Bug: 370817323
Flag: EXEMPT trace only update
Test: atest FrameworksMockingServicesTests:ServiceBindingOomAdjPolicyTest
Change-Id: Ib68a340f29e30e463c2dca3e08824f0242ee49c3