Merge "Fade out branding image with icon while exit splash screen." into sc-v2-dev am: 26fffc68d9 am: 9e30939be1

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16309095

Change-Id: I6740f646b628b4c222d64912c45df3570ac19d44