[automerger skipped] Remove existing divider immediately when entering split am: 954653cf -s ours

am skip reason: Merged-In I410b24831942907b845807a1998e0d0df5ee62c4 with SHA-1 52762366 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/27730883



Change-Id: I3f2f29dbf6fc0fcd4a0bd3992b8f5f928b7938d5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>