Add const to API

[skywilliamsonl]

Summary: Adds const to registerLogHandler API.
Type: Feature
Test Plan: Unittests.
Jira: RIALTO-457

[github-actions]

Pull request must be merged with a description containing the required fields,

Summary:
Type: Feature/Fix/Cleanup
Test Plan:
Jira:

If there is no jira releated to this change, please put 'Jira: NO-JIRA'.

Description can be changed by editing the top comment on your pull request and making a new commit.

[rdkcmf-jenkins]

https://jenkins.code.rdkcentral.com/job/github-triggered/48511/ started

[rdkcmf-jenkins]

https://jenkins.code.rdkcentral.com/job/github-triggered/48515/ started

[RIALTO-JENKINS-AI]

Job for AI/job/AI_BUILDS/job/AI-Trigger-PullRequests started: https://pv-jen015.uk2.scp.bskyb.com/job/AI/job/AI_BUILDS/job/AI-Trigger-PullRequests/244/

[rdkcmf-jenkins]

https://jenkinsrdkm.cmf.code.rdkcentral.com/job/github-triggered/13769/ started

[rdkcmf-jenkins]

https://jenkinsrdkm.cmf.code.rdkcentral.com/job/build-component-platform/20174/ started.

[rdkcmf-jenkins]

https://jenkinsrdkm.cmf.code.rdkcentral.com/job/github-triggered/13771/ started

[rdkcmf-jenkins]

https://jenkins.code.rdkcentral.com/job/github-triggered/48517/ started

[rdkcmf-jenkins]

https://jenkinsrdkm.cmf.code.rdkcentral.com/job/build-component-platform/20175/ started.

[rdkcmf-jenkins]

Sanity tests for ['BCM Reference Refapp2'] added.
https://jenkinsrdkm.cmf.code.rdkcentral.com/job/test-components-flow/39092/

[rdkcmf-jenkins]

'['BCM Reference Refapp2']' Sanity test FAILURE, investigation pending.
Build Job/Num: build-brcm-refboard2/6241
Flash BCMREF [FAILURE]
BCMREF - Video Test skipped [FAILURE]
https://jenkinsrdkm.cmf.code.rdkcentral.com/job/test-bcmref-refapp2-flow/9435/

[rdkcmf-jenkins]

Sanity tests for ['BCM Reference Refapp2'] added.
https://jenkinsrdkm.cmf.code.rdkcentral.com/job/test-components-flow/39102/