Merge "Fix task cannot exit split if the app is request for moveTaskToBack"...

Merge "Fix task cannot exit split if the app is request for moveTaskToBack" into main am: a854e4c8 am: a8bf3e3f

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3313095



Change-Id: I59748f05202e76ca421b2f00738bee937c3fcf43
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>