Revert "Revert the default wall paper for framework / emulator b/27451024 Change-Id: I68ed094f44f1b4c48407497790f809147ec0ad5a"

This reverts commit fcef23e831df0153fab7a3462973f0906ce9b8d8.
Bug: 28028331
Change-Id: I0bbcf7024749d06b7d78574afbb9625e6de8b96d
4 files changed