CHANGE: Use ProfilerMarker in place of Profiler based on Unity version and presence of com.unity.profiling.core package

[surfnerd]

Description

Use ProfilerMarker instead of Profiler.[Begin|End]Sample when the com.unity.profiling.core package is present at version 1.0.2 and the Unity version is 2020.3 or greater.

Changes made

A wrapper class, InputProfilerMarker, was added to encapsulate the #ifdef logic for using ProfilerMaker vs. Profiler. Most places that used to call Profiler now call InputProfilerMarker.

Testing

I ran a handful of tests on Yamato. The code analyzer test made me realize that I need to conditionally compile my changes based on the Unity Version and the presence of the com.unity.profiling.core package.

I also tested to ensure that the markers show up in the Profiler Window Timeline for both cases on a test project.

Risk

I believe the risk of this change is low as there are no feature changes or logic changes; it just replaces one profiler call with another based on the Unity version and package presence.

Checklist

Before review:

• Changelog entry added.
  • Explains the change in Changed, Fixed, Added sections.
  • For API change contains an example snippet and/or migration example.
  • JIRA ticket linked, example (case %%). If it is a private issue, just add the case ID without a link.
  • Jira port for the next release set as "Resolved".
• Tests added/changed, if applicable.
  • Functional tests Area_CanDoX, Area_CanDoX_EvenIfYIsTheCase, Area_WhenIDoX_AndYHappens_ThisIsTheResult.
  • Performance tests.
  • Integration tests.
• Docs for new/changed API's.
  • Xmldoc cross references are set correctly.
  • Added explanation how the API works.
  • Usage code examples added.
  • The manual is updated, if needed.

During merge:

• Commit message for squash-merge is prefixed with one of the list:
  • NEW: ___.
  • FIX: ___.
  • DOCS: ___.
  • CHANGE: ___.
  • RELEASE: 1.1.0-preview.3.

After merge:

• Create forward/backward port if needed. If you are blocked from creating a forward port now please add a task to ISX-1444.

[unity-cla-assistant]

All committers have signed the CLA.

[stefanunity]

LGTM