Expose additional Preference Headers

[JefWight]

Adds the odata.track-changes, odata.maxpagesize, and
odata.continue-on-error preference headers.

[azurecla]

Hi @JefWight, I'm your friendly neighborhood Azure Pull Request Bot (You can call me AZPRBOT). Thanks for your contribution!

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[azurecla]

@JefWight, Thanks for signing the contribution license agreement so quickly! Actual humans will now validate the agreement and then evaluate the PR.

Thanks, AZPRBOT;

[dingeins]

Confirmed that Jeff is an Microsoft FTE. The CLA is approved. Please go ahead with the code review and discussion.

[JefWight]

Reverted all of the token parsing, updated comments.

[LaylaLiu]

Merge all changes in this pull request as commit a9321f3.

[congysu]

Thanks @JefWight and @LaylaLiu.