Update remote_shell_v2 to version 4 am: 8ebc388b72 am: 2966178686

Original change: https://android-review.googlesource.com/c/platform/external/wayland-protocols/+/2694750

Change-Id: I8caebe81826b33a92a43f3222aaefd2287c89743
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>