Merge "Restrict the getter of where the app launched from" into sc-qpr1-dev...

Merge "Restrict the getter of where the app launched from" into sc-qpr1-dev am: 0e40c2c9 am: 35b2bf3e am: e7e77c6a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15583403

Change-Id: Ibfc8deeffc3dd6cff276fab0486caff90c1828f9