Update neverallows path for sdkextensions

The modules sources have been moved, update the sdk variant whitelist.

Bug: 156286599
Test: m
Exempt-From-Owner-Approval: cherry-pick from internal
Change-Id: Idbd02b17b1c741f1dc20a3742ff57e8469a846c0
Merged-In: Idbd02b17b1c741f1dc20a3742ff57e8469a846c0