Merge "binder: add is_handling_transaction tests" am: 9d3c6c67b6 am: 58812506a8 am: 7681a9dea9

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1918178

Change-Id: Ia5e56436196a61f179cbb003cd1b8de957b21b43