Merge "Change to drop down when the inline suggestions don't be shown in IME." into rvc-dev am: 5fa3f11717 am: fac896ec46

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12066145

Change-Id: Ib2e35e3293859c33ca20f5b08ed453e9f55e20b5