Merge "Do not recreate ImeInputEventSender for the same channel" into sc-dev am: 0d2041de am: e1ad9b60

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14229516

Change-Id: I1a1ae4b036dedf071beb22e31e9600e828ff69db