Fix brightness change during screenrotation

When doing a layer capture for seamless transitions
avoid clamping the max HDR headroom.

Fixes: 288063548
Test: repro steps in bug
Change-Id: Ic90c8b4478ad90b1776c455cbe696ec22182496d
(cherry picked from commit 1dadaa6b78f2939e717451303cd29d8f683e5f08)
1 file changed