Merge "Mark liblatinime_unittests as unit_test:true to run in presubmit in CI" am: e04480b68b am: 7471a535f4

Original change: https://android-review.googlesource.com/c/platform/packages/inputmethods/LatinIME/+/1589854

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I4dc6006500214b819d459dc514541a06ca8cd33a