Merge "Remove unused variables" am: fe0c000 am: 752ef94 am: d847619 am: 64ce942 am: 5859b26

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

Change-Id: Ib7f42a1bf18f07ad2238a2ec00fce0ddfbcc09e0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

Author: Treehugger Robot