Extract out the dumpViewerConfig to avoid duplication

Bug: 364254249
Test: atest InternalTests:com.android.internal.protolog
Flag: android.tracing.client_side_proto_logging
Flag: android.tracing.perfetto_protolog_tracing
Change-Id: I4d87ee812cb2c5d969b7cb1b90e365c8c626c3e7
3 files changed