Merge "Update size limits to match spec." into sc-dev am: adeb26b0dc am: c7c86dffe7 am: c6cd73a795

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15338351

Change-Id: I59cab53a4bff2f28d6be19afdab9d2626b82034f