Merge "Remove unused variables" am: fe0c000f40

Original change: https://android-review.googlesource.com/c/platform/packages/inputmethods/LatinIME/+/2445925

Change-Id: I996fc354112500e41977b93521e9050bdccce81b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>