Merge "Do not put in-recent task in hidden task list" into rvc-dev am:...

Merge "Do not put in-recent task in hidden task list" into rvc-dev am: ecc32d24 am: bfcbf9dd am: 7e47624a am: 159e064c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12004940

Change-Id: I6ae938f8120d80c52b8d7b3169bb7afd0aec6a2b