libhwc2.1: update render intent for backlight controller am: a319811cfa am: 5d2e57a16b am: 6c9a3e2e18

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/google/graphics/gs101/+/23657207

Change-Id: Id3ab581c8dba393533a15a5dc5fea8e7a21aa4d9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>