Add support for ProtoLogging without any source code pre-processing

Instead just setup the ProtoLogImpl instance in the process's initialization code.

Flag: android.tracing.perfetto_protolog_tracing
Test: atest com.android.internal.protolog.PerfettoProtoLogImplTest
Change-Id: Ie27f0ce8dfeb91374d00581fbf969afa0f370818