Merge "Reintroduced the test with default live wallpaper" into udc-qpr-dev am:...

Merge "Reintroduced the test with default live wallpaper" into udc-qpr-dev am: aaaf84c8 am: e6b1c2a7

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23563536



Change-Id: Ic5deb8f096d57d4b4691730b1fa7479f89a90849
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>