Merge "Only use the gainmap shader if we might need it" into main am: 5c8faa654d am: 08b76e9027

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2833770

Change-Id: I8147efaad02fbbf14cb7bdacf2302cc1558c6081
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>