Merge "Return mSynchronouslyBoundPages as getPagesToBindSynchronously between onInitialBindCompleteand finishBindingItems" into sc-v2-dev am: b830b2d999

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15674917

Change-Id: I8ba4c9869103fa720d99d262a994b79fcd274256