Merge "Remove unused variables" am: fe0c000f40 am: 752ef94cfc

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

Change-Id: I2bae39a9a7e659300a47203f1b4c99a94c386513
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>