Update gaming_input_unstable_client to support key bits am: 76c4543d8e

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/wayland-protocols/+/18572944

Change-Id: I236ff1c96298c61917a659aa8d620dfefe39f560
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>