Merge "Merge "Callback translation usages for registered translation app." into sc-dev am: e099738d am: abc29c4a" into sc-v2-dev-plus-aosp am: 70781aca

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15126531

Change-Id: I9561921f67e9c2f140d0e5ffdfbaa3cf181ae887