Merge "Merge "Add missing cases where empty suggestions should be sent to...

Merge "Merge "Add missing cases where empty suggestions should be sent to IME." into rvc-dev am: b58c5100 am: 66062dbb am: e7b4bf3c" into rvc-qpr-dev-plus-aosp am: 01e8f4b6

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11921678

Change-Id: I6e457578ed578a5f7c6679cf2566616599de445b