Merge "Return mSynchronouslyBoundPages as getPagesToBindSynchronously between onInitialBindCompleteand finishBindingItems" into sc-v2-dev am: b830b2d999 am: 09f99a4d7d

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

Change-Id: I2f76f9ae0e2c24b5e0de696d6a46581301a09a09