Merge "Reset Divider IME state when leaving split-screen" into rvc-dev am: 45e23b280b am: 50ec2f9c3d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12151562

Change-Id: I8311653c456e0057aad9ed6fa14bc5996fd5da61