Merge "Convert CharSequence toString for the fallback Remote Input History view." into sc-dev am: 6d2dfdfc am: d9eafe08

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14949554

Change-Id: Iaf19923c92190b96a4d3cf7e494f2715888d732a