Merge "FL7: Refine MIRROR_PAD specification" am: f914da59a6 am: 7dc880a386 am: e22d6fbd77

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1940673

Change-Id: I48b2b1161ea42c7f060603183169752f75a61a6a