Merge "Prevent exception when temporarily detaching the RemoteInputView's EditText." into sc-dev am: 0b2f0528 am: eff2451a am: 536a3290

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14938832

Change-Id: I22bf64a7ac5e80f3078e439cbb3b6c273287dcb1