Merge "Apply depth even when surface is null" into sc-dev am: 818ed4b794 am: 07b3fc2d2c

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15055654

Change-Id: Ib7e69cdf0a320697510c87dd321de4390e05445c