Merge "Revert "Restore support for source hint rect"" into rvc-dev am:...

Merge "Revert "Restore support for source hint rect"" into rvc-dev am: 611e7a48 am: 27e6fc81 am: a0e47b0b am: 560e3a58

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11794330

Change-Id: I95e012cccada09f7d7b96d3ca0d197b00d628d94