IVGCVSW-4070 Implement "send post-optimized network structure"

IVGCVSW-4070 Implement "send post-optimized network structure"

 * Send post-optimisation network structure if profiling service is enabled
 * Refactor TimelineUtilityMethods
 * Fix RecordEvent to link eventGuid with eventClassGuid
 * Add common types and guid to LabelsAndEventClasses
 * Add CreateRelationship to TimelineUtilityMethods
 * Add CreateTypedEntity to TimelineUtilityMethods
 * Add MarkEntityWithType to TimelineUtilityMethods
 * Move VerifyTimeline functions to ProfilingTestUtils
 * Post-optimisation network structure unit tests to Ref, Cl, Neon

Signed-off-by: Narumol Prangnawarat <narumol.prangnawarat@arm.com>
Change-Id: I0194f2037c236450c912f4c3cb11e46b80c0f512