Merge "Report contentInsets only based on what they will be inside apps" into sc-v2-dev am: be0360c6d8 am: 86be069897

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/16442237

Change-Id: I848ee10d672d713b326fafbe2fdf789ababe1dd2