Merge "Remove new task flag when launching unicorn enrollment." into sc-dev...

Merge "Remove new task flag when launching unicorn enrollment." into sc-dev am: afe9dad1 am: 6241cf6b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15521773

Change-Id: I26c70a535b10ca9ff35612578937caad5b4cde32