Merge "Add a flicker test to verify IME snapshot when dismissing dialog" into tm-dev am: cd9af561 am: d8ced52b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17411126



Change-Id: Ibc2393f9ef12a06fd13acfd5367ed162b124f2e5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>